CONFORMAL COATINGS
Fit like a glove: conformal coatings for perfect PCB protection
WERNER WIRTH sets standards for premium component protection with conformal coating. You too can benefit from our many years of experience in the electronics sector as the only specialist for connection technology and component protection from a single source.
We supply you with exactly what you need: alkyd resins, acrylics, acrylic compounds and polyurethane, solvent- or water-based coatings and UV- or moisture-curing conformal coatings. And if what you need isn’t not available off the shelf, we’ll develop and implement it specially for you and your project.
Any more for any more? WERNER WIRTH gives you a huge selection and many more possibilities besides. We can gladly supply you with the required material in any quantity. More service? On request we will also coat products that you have sent to us on our processing machines. Larger quantities? We can do that too. Or we install the right production machinery for you on your premises, from manual systems through to bulk production modules.
Advantages/Benefits of Circuit Board Coating with Conformal Coatings
Conformal Coatings play a crucial role in safeguarding electronic components and circuit boards. These specialized coatings offer a range of advantages that significantly enhance the reliability and longevity of the coated components. Here are some reasons why protective lacquers are used, along with the benefits they provide:
- Protection from Environmental Factors: Circuit board conformal coatings shield electronic components from harmful environmental influences such as moisture, salt spray, chemicals, dust, and dirt. These factors can cause corrosion, circuit track interruptions, and other damages that impair functionality.
- Increased Insulation: Applying a conformal coating improves the electrical insulation between circuit tracks, which is especially important for densely packed or high-voltage circuit boards. Short circuits and electrical breakdowns are prevented by the circuit board coating.
- Enhanced Mechanical Strength: Conformal coatings increase mechanical strength and provide protection against vibrations, shocks, and abrasion, which could otherwise lead to physical damage to the components.
- Heat Dissipation: Some coatings improve the heat dissipation of electronic components by enabling a more uniform temperature distribution, thus helping to prevent hotspots and improve overall performance.
- Prevention of Creepage Currents and Corona Discharges: In humid environments, protective lacquers can minimize the risk of creepage currents and corona discharges, which can lead to failures and performance degradation.
- Durability and Reliability: Using protective coatings extends the lifespan of electronic components as they are shielded from many harmful environmental conditions. This leads to higher reliability and lower failure rates.
- Compatibility and Flexibility: Conformal coatings are available in various types and with different properties, such as UV-curing, silicone-, acrylic-, or epoxy-based. This allows for optimal adaptation to specific application requirements and operating conditions.
- Ease of Application: Many protective lacquers can be easily applied by spraying, dipping, or brushing, enabling quick and efficient processing
Overall, protective lacquers significantly improve the performance and reliability of electronic components and are therefore indispensable in many industrial applications, automotive engineering, aerospace, medical technology, and many other fields.
World-class PCBs are coated by WERNER WIRTH
PROTECTIONOpen or closed, transparent or opaque, suitable for every temperature and individually made to measure.
WERNER WIRTH offers firmly secure PCB protection – from components partially coated with thin film to completely sealed parts protected from the sun, from acids and also from prying eyes.
We supply precisely mixed coating materials with exactly timed post-submersion curing and subsequent durability in use as required by the environment in your project.
The BECTRON® range by Elantas
We recommend the BECTRON® range by Elantas for tailor-made protection coatings based on alkyd resins, acrylics, epoxy, polyurethane and silicone, solvent- or water-based coatings and UV- or moisture-curing coatings.
If you have any questions about our range of conformal coatings, we look forward to hearing from you so that we can give you specific advice about your individual project-related requirements.
Curing – air and oven/temp.
Rapid curing at room temperature
Bectron® PL 1104 is a transparent protection coating based on acrylic chemistry. The development of Bectron® PL 1104 fulfils the requirements for electronics with low pin corrosion, outstanding edge coverage and rapid low-temperature curing. The coating offers outstanding performance in terms of dielectric properties and moisture protection under adverse environmental conditions. Bectron® PL 1104 is lead-free and fulfils the requirements of the ROHS directive. Bectron® PL 1104 also passes tests pursuant to IPC CC-830-B, MIL I 46058 C and IEC 61086.
Properties:
- Rapid curing at RT (can be accelerated with heat)
- High specific volume resistance even under moist conditions
- Good dielectric properties in thin films
- Resistant to moisture and dust
- Resists weak acids and bases
- Good adhesion under temperature cycles
- Temperature resistant up to 130 °C
- Simple reworking possible for repairs
- Coated area can be inspected under UV light
- Self-extinguishing as per UL 94 V0
Applications:
Coating electronics:
- Printed circuit boards for automotive and ship navigation
- Hybrids
- SMD devices
- Individual components
Bectron® PL 4122-37 E BLF FLZ, VPE: 0.4 kg is a transparent conformal coating based on established urethane-modified alkyd chemistry. The performance of Bectron® PL 4122 E BLF FLZ fulfils the latest requirements for electronics with low pin corrosion and rapid curing at room temperature or in the oven. Bectron® PL 4122 E BLF FLZ is lead-free, contains no aromatic components in the solvent and fulfils the requirements of the ROHS directives. The coating stands out with outstanding thermal and dielectric properties which it maintains even when exposed to environmental impacts.
Properties:
- High temperature index of 134 °C
- Listed in UL 94 V0
- Outstanding dielectric properties
- High specific volume resistance, including moist conditions
- Resistant to moisture, water, corrosive gases and chemicals
- Outstanding adhesion on most surfaces
- All performance properties in very thin films
- ROHS-compliant
- Coated areas suitable for inspection under UV light
Applications:
Coating electronics:
- PCB parts in aggressive environments
- Automotive or shipping
- Industry
- Corrosive gases
- Hybrids
- SMD devices
- Individual components
- Suitable for safety-critical systems
Bectron® PL 4122-40 P, VPE: 10 kg is a transparent conformal coating based on established urethane-modified alkyd chemistry. The performance of Bectron® PL 4122 E BLF FLZ fulfils the latest requirements for electronics with low pin corrosion and rapid curing at room temperature or in the oven. Bectron® PL 4122 E BLF FLZ is lead-free, contains no aromatic components in the solvent and fulfils the requirements of the ROHS directives. The coating stands out with its outstanding thermal and dielectric properties, which it maintains even when exposed to environmental impacts.
Properties:
- High temperature index of 134 °C
- Listed in UL 94 V0
- Outstanding dielectric properties
- High specific volume resistance, including moist conditions
- Resistant to moisture, water, corrosive gases and chemicals
- Outstanding adhesion on most surfaces
- All performance properties in very thin films
- ROHS-compliant
- Coated areas suitable for inspection under UV light
Applications:
Coating electronics:
- PCB parts in aggressive environment
- Automotive or shipping
- Industry
- Corrosive gases
- Hybrids
- SMD devices
- Individual components
- Suitable for safety-critical systems
Bectron® PL 4122-40 E BLF FLZ, VPE: 4 kg is a transparent conformal coating based on established urethane-modified alkyd chemistry. The performance of Bectron® PL 4122 E BLF FLZ fulfils the latest requirements for electronics with low pin corrosion and rapid curing at room temperature or in the oven. Bectron® PL 4122 E BLF FLZ is lead-free, contains no aromatic components in the solvent and fulfils the requirements of the ROHS directives.
The coating stands out with its outstanding thermal and dielectric properties, which it maintains even when exposed to environmental impacts.
Properties:
- High temperature index of 134 °C
- Listed in UL 94 V0
- Outstanding dielectric properties
- High specific volume resistance, including moist conditions
- Resistant to moisture, water, corrosive gases and chemicals
- Outstanding adhesion on most surfaces
- All performance properties in very thin films
- ROHS-compliant
- Coated areas suitable for inspection under UV light
Applications:
Coating electronics:
- PCB parts in aggressive environment
- Automotive or shipping
- Industry
- Corrosive gases
- Hybrids
- SMD devices
- Individual components
- Suitable for safety-critical systems
Bectron® PL 4122-47 R is a transparent conformal coating based on established urethane-modified alkyd chemistry. The performance of Bectron® PL 4122 E BLF FLZ fulfils the latest requirements for electronics with low pin corrosion and rapid curing at room temperature or in the oven. Bectron® PL 4122 E BLF FLZ is lead-free, contains no aromatic components in the solvent and fulfils the requirements of the ROHS directives. The coating stands out with its outstanding thermal and dielectric properties, which it maintains even when exposed to environmental impacts.
Properties:
- High temperature index of 134 °C
- Listed in UL 94 V0
- Outstanding dielectric properties
- High specific volume resistance, including moist conditions
- Resistant to moisture, water, corrosive gases and chemicals
- Outstanding adhesion on most surfaces
- All performance properties in very thin films
- ROHS-compliant
- Coated areas suitable for inspection under UV light
Applications:
Coating electronics:
- PCB parts in aggressive environment
- Automotive or shipping
- Industry
- Corrosive gases
- Hybrids
- SMD devices
- Individual components
- Suitable for safety-critical systems
Bectron® PT 4830 is a one-component, thixotropic polyurethane that cures quickly in reaction with atmospheric moisture into a soft, flexible material. It is suitable for sealing and protecting components and connections on the printed circuit board.
Properties:
- Good electric properties also after immersion in water
- Good adhesion on many substrates
- Low shrinkage during curing
- Resistant to low temperatures (-45 °C)
- Resistant to moisture and migration
- Resistant to organic and inorganic solvents
- Low solvent content
Applications:
- Bectron® PT 4830 is used for chemical protection of PCBs from moisture and impurities
- For protecting large components on the PCB from mechanical jolts and vibrations
- Its highly viscous, thixotropic flow properties makes it suitable for application to single components or for sealing open connections on the PCB
- When using the right nozzle diameter, a thin line of Bectron® PT 4830 covers a series of connection pins or other small parts (without previous masking or covering)
- The applied material remains in place during the process and cures without impacting sensitive parts
Bectron® PT 4834 is a one-component system based on polyurethane that cures quickly in reaction with atmospheric moisture and forms a soft, flexible material. Suitable for sealing and protecting components and connections on the printed circuit board.
Properties:
- Good electric properties also after immersion in water
- Good adhesion on many substrates
- Low shrinkage during curing
- Resistant to low temperatures (-45 °C)
- Resistant to moisture and migration
- Resistant to organic and inorganic solvents
- Low solvent content
- Fulfils the ROHS directives
Applications:
- Chemical protection of PCBs from moisture and impurities and from mechanical jolts and vibrations
- Its viscosity is suitable for thick-film coating of large surfaces – selectively on individual components – or for sealing open components on the printed circuit board
- The cured product is soft and flexible and therefore causes no damage to sensitive components under thermal shock, including low temperatures
Bectron® PT 4840 is a one-component, thixotropic polyurethane that cures in reaction with atmospheric moisture into a soft, flexible material. For sealing and protecting components and connections on the printed circuit board.
Properties:
- Good electric properties also after immersion in water
- Good adhesion on many substrates
- Low shrinkage during curing
- Resistant to low temperatures (-40 °C)
- Resistant to moisture and migration
- Resistant to organic and inorganic solvents
- Low solvent content
- Fulfils the ROHS directives
- Coated area can be inspected under UV light
Applications:
- Bectron® PT 4840 is used for chemical protection of PCBs from moisture and impurities
- For protecting large components on the PCB from mechanical jolts and vibrations
- Its highly viscous, thixotropic flow properties makes it suitable for application to single components or for sealing open connections on the PCB
- When using the right nozzle diameter, a thin line of Bectron® PT 4840 covers a series of connection pins or other small parts (without previous masking or covering)
- The applied material remains in place during the process and cures without impacting sensitive parts
Bectron® PT 4842 is a low-viscosity one-component polyurethane that cures quickly in reaction with atmospheric moisture. It forms a flexible material that is suitable for sealing and protecting parts and connections on the printed circuit board.
Properties:
- Good electric properties also after immersion in water
- Good adhesion on many substrates
- Low shrinkage during curing
- Resistant to low temperatures (-40 °C)
- Resistant to moisture and migration
- Resistant to organic and inorganic solvents
- Low solvent content
- Fulfils the ROHS directives
- Coated area can inspected under UV light
Applications:
- Bectron® PT 4842 is used for chemical protection of PCBs from moisture and impurities and for protecting large components on the printed circuit board from mechanical jolts and vibrations
- Its viscosity makes it suitable for thick film coating of large areas selectively on individual components or for sealing open connections on the printed circuit board.
- The cured product is soft and flexible and therefore causes no damage to sensitive components under thermal shock, including low temperatures
Bectron® SC 76V1-36 is a translucent silicone that is suitable for coatings. It was specially developed to comply with the latest requirements in the electronics industry in terms of corrosion. It also offers outstanding dielectric properties and protection from moisture under adverse environmental conditions. Bectron® SC 76V1-36 is a one-component, condensation-crosslinking product (alkoxy) that does not cause the typical inhibition problems of addition-crosslinking systems. It also shows excellent adhesion on most common substrates used in the electronics industry.
Properties:
- Rapid curing at room temperature
- Good dielectric properties
- Resistant to moisture and dust contamination
- Resistant to weak acids and bases
- Good adhesion on many substrates
- Temperature resistant from -55 °C to 200 °C
- Contains UV control trace pigment
- Good edge coverage
- Low volatile ingredients
Applications:
Coating electronics, e.g. PCBs, hybrids, SMD components, other individual components and consumer electronics.
Curing – IR
Curing by heating
Bectron® PK 4332 is a one-component resin system that cures to a very soft polyurethane duroplastic. It consists of a liquid polyol system with a dispersed, firmly encapsulated polyisocyanate. This achieves controlled rheology including excellent thixotropic properties. Heating the resin releases the encapsulated polyisocyanate, which forms a resistant, duroplastic cured material. In contrast to usual two-component resin systems, Bectron® PK 4332 is ready to use and stands out with outstanding properties and particularly good environmental compatibility.
Properties:
- The cured material has high elasticity and high strength, resulting in outstanding temperature cycle behaviour in the range from -60 °C to +125 °C as well as high vibration strength. This warrants minimum cracking even with thick-film applications.
- Bectron® PK 4332 has excellent chemical resistance to a large number of aggressive fluids frequently found in the automotive industry.
- Bectron® PK 4332 offers good adhesion on nearly all materials used in electronics. Even after several temperature cycles, there is no loss of mechanical and electrical properties in the bond. Fulfils the ROHS directives.
Applications:
In cured state, Bectron® PK 4332 is a very soft duroplastic which is suitable for protecting sensitive parts from chemicals, shock and vibration. Bectron® PK 4332 is therefore ideal for partial or selective coating of SMD and other modules on printed circuit boards and ceramic substrates. It is also frequently used as potting resin for electronic parts and sensors, including ultrasonic types.
Bectron® PK 4340 is a one-component resin system that cures into a soft polyurethane duroplastic. It consists of a liquid polyol system with a dispersed, firmly encapsulated polyisocyanate. Heating the resin releases the encapsulated polyisocyanate, which forms a resistant, duroplastic cured material. In contrast to usual two-component resin systems, Bectron® PK 4340 is ready to use and stands out with outstanding properties and particularly good environmental compatibility.
Properties:
- The cured material has high elasticity and high strength, resulting in outstanding temperature cycle behaviour in the range from -60 °C to 125°C.
- Bectron® PK 4340 has excellent chemical resistance to a large number of aggressive fluids commonly used in automotive applications
- Bectron® PK 4340 shows good adhesion to almost all materials used in electronics
- Even after several temperature cycles, there is no loss of mechanical and electrical properties in the bond
Applications:
- In cured state, Bectron® PK 4340 is a soft duroplastic, suitable for vibration protection of sensitive parts
- Bectron® PK 4340 is therefore ideal for partial or selective coating of SMDs and other component groups on printed circuit boards
- The rapid increase in viscosity with low shear allows protection of small areas of individual parts
- When thicker coating is required, Bectron® PK 4340 can be used as dam
- In the second step, the inner area is filled with a filling material (with lower viscosity, such as PK 4342).
Bectron® PK 4342 is a one-component resin system that cures into a soft polyurethane duroplastic. It consists of a liquid polyol system with a dispersed, firmly encapsulated polyisocyanate. Heating the resin releases the encapsulated polyisocyanate, which forms a resistant, duroplastic cured material. In contrast to usual two-component resin systems, Bectron® PK 4342 is ready to use and stands out with outstanding properties and particularly good environmental compatibility.
Properties:
- The cured material has high elasticity and high strength, even in temperature cycles in the range from -60 °C to 125°C.
- Bectron® PK 4342 has excellent chemical resistance to a large number of aggressive fluids commonly used in automotive applications
- Bectron® PK 4342 shows good adhesion to almost all materials used in electronics
- Even after several temperature cycles, there is no loss of mechanical and electrical properties in the bond
Application:
- In cured state, Bectron® PK 4342 is a soft duroplastic, suitable as protection for sensitive parts
- Bectron® PK 4342 is therefore ideal for selective coating of SMDs and other component groups on printed circuit boards
- Also used as potting material for electronic components and sensors and finds wide-spread use in automotive applications
- Bectron® PK 4342 can be used as filling material in the dam-and-fill process (Bectron® PK 4342 acts as dam in the first step of the process)
Bectron® PK 4344 is a one-component resin system that cures to a soft polyurethane duroplastic. It consists of a liquid polyol system with a dispersed, firmly encapsulated polyisocyanate, and a pigment combination selected to permit controlled rheology including excellent thixotropic properties. Heating the resin releases the encapsulated polyisocyanate. This triggers a polyaddition reaction that generates a resistant, duroplastic cured material. In contrast to usual two-component resin systems, Bectron® PK 4344 is ready to use and stands out with outstanding properties and particularly good environmental compatibility.
Properties:
The cured material has high elasticity and high strength, resulting in outstanding temperature cycle behaviour in the range from -60 °C to +125 °C as well as high vibration strength. This warrants minimum cracking even with thick-film applications. Bectron® PK 4344 offers excellent chemical resistance to a large number of aggressive fluids frequently used in the automotive industry. Furthermore, Bectron® PK 4344 shows good adhesion to nearly all materials used in electronics. Even after several temperature cycles, there is no loss of mechanical and electrical properties in the bond.
Fulfils the ROHS directives.
Applications:
In cured state, Bectron® PK 4344 is a soft duroplastic suitable for vibration protection of sensitive parts. Bectron® PK 4344 is suitable for partial or selective coating of SMDs and other modules on printed circuit boards and ceramic substrates. It has low viscosity. In rapid coating, this permits a thinner film than types with higher viscosity. This low viscosity is ideal for minimising air bubbles inclusions in complex potting applications. When used as potting resin, it is suitable for sensors, automotive electronics, connectors etc.
Bectron® PK 4364 is a blue one-component resin system that cures to a polyurethane duroplastic with a certain flexibility. It consists of a liquid polyol system with a dispersed, firmly encapsulated polyisocyanate, and a pigment combination selected to permit controlled rheology. Heating the resin releases the encapsulated polyisocyanate again. This triggers a polyaddition reaction that generates a resistant duroplastic cured material. In contrast to usual two-component resin systems, Bectron® PK 4364 B is ready for use. It stands out with outstanding properties and particularly good environmental compatibility.
Properties:
The use of Bectron® PK 4364 B guarantees smooth, homogeneous coating of edges and pins. This coating protects the parts from mechanical damage and offers very good dielectric properties. The cured material has high elasticity and high strength, leading to very good temperature cycle behaviour in the range from -50 °C to +125 °C. This results in minimum cracking, even with thick films. Bectron® PK 4364 B has excellent chemical resistance to a large number of aggressive fluids commonly used in automotive applications. Bectron® PK 4364 B also shows very good adhesion on most materials used in electronics. Even after several temperature cycles, there is no loss of mechanical and electrical properties in the bond.
Fulfils the ROHS directives
Applications:
Bectron® PK 4364 B is used as coating and potting resin for SMT printed circuit boards and ceramic substrates, e.g. sensors.
Bectron® PK 5542 is a one-component resin system that cures to a soft polyurethane duroplastic with high heat resistance. It consists of a liquid polyol system with a dispersed, firmly encapsulated polyisocyanate, and a pigment combination selected for controlled rheology including a certain thixotropic character, while offering outstanding heat resistance and stability. Heating the resin releases the encapsulated polyisocyanate. This triggers a polyaddition reaction that generates a soft cured duroplastic material.
Properties:
The cured material has high elasticity and high strength. Bectron® PK 5542 is suitable for temperatures of up to 150 °C. The material shows very good temperature cycle behaviour in the range from -50 °C to +140 °C and is resistant to vibrations. This results in minimum cracking even with thick-film applications. Bectron® PK 5542 has excellent chemical resistance to a large number of aggressive fluids commonly used in automotive applications. Bectron® PK 5542 has good adhesion on nearly all materials used in electronics. Even after several temperature cycles, there is no
loss of mechanical and electrical properties in the bond. Fulfils the ROHS directive
Applications:
In cured state, Bectron® PK 5542 is a soft duroplastic which is suitable for protecting sensitive parts from chemicals, shock and vibration when these are exposed to high temperatures. Bectron® PK 5542 is used for partial or selective coating of SMDs and other modules on printed circuit boards and ceramic substrates. It can also be used as potting resin for electronic parts and sensors, automotive electronics, connectors etc. up to a temperature of 150 °C. It has moderate viscosity with slightly thixotropic properties and is suitable for selective thick film coating of components or for potting printed circuit boards or hybrids in housings.
Curing – UV
Immediate curing by UV light – perfect for fully automated high-volume production
Bectron® PT 4600 is a polyurethane-based, solvent-free, one-component transparent material that is suitable for thick film coating. It is cured by UV light and moisture (for shadow zones). The cured product is elastic and flexible in low temperatures down to -40 °C and shows good adhesion on most substrates. Bectron® PT 4600 offers outstanding insulation properties.
Properties:
- Rapid UV curing
- Moisture shadow curing
- Temperature cycles from -40 °C to +120 °C
- Temperature resistant from -40 °C +120 °C
- Good flexibility down to -40 °C
- Good adhesion
- Good dielectric properties
- Solvent-free
- Low viscosity
- Fulfils UL V0 (UL file no: E211569)
Applications:
- Bectron® PT 4600 is VOC-free
- For coatings with excellent electric performance, particularly suited for electronics and surface installation
- Offers good protection from moisture, corrosion, migration and vibration
Bectron® PT 4601 is a solvent-free, one-component, transparent polyurethane material that is suitable for thick film coatings. It is cured by UV light and moisture (for shadow zones). It has thixotropic properties for applications on selected areas on the printed circuit board. The cured product is elastic and flexible in low temperatures down to -40 °C and shows good adhesion on most substrates. Bectron® PT 4601 offers excellent insulation properties.
Properties:
- Rapid UV curing
- Moisture curing in shadow zones
- Temperature resistant from -40 °C +120 °C
- Good flexibility down to -40 °C
- Good adhesion
- Good dielectric properties
- Solvent-free
- Thixotropic rheology
Applications:
Bectron® PT 4601 is VOC-free
- For coatings with excellent electric performance
- Offers good protection from moisture, corrosion, migration and vibration
Bectron® PT 4606 is a solvent-free, one-component, transparent polyurethane material that is suitable for thick film coatings. It is cured by UV light and moisture (for shadow zones). It has thixotropic properties for applications on selected areas of the printed circuit board. Its high viscosity and thixotropic properties permit precise application on selected areas of the printed circuit board (e.g. suitable for sealing), for protecting parts or connections on the PCB or as dam for dam-and-fill applications.
The cured product is elastic and flexible in low temperatures down to -40 °C and shows good adhesion on most substrates. Bectron® PT 4606 offers outstanding insulation properties.
Properties:
- Rapid UV curing
- Moisture curing in shadow zones
- Temperature resistant from -40 °C +120 °C
- Good flexibility down to -40 °C
- Good adhesion
- Good dielectric properties
- Solvent-free
- Highly thixotropic rheology
Applications:
Bectron® PT 4606 is VOC-free
- For coatings with excellent electric performance
- Offers good protection from moisture, corrosion, migration and vibration
Bectron® PL 5621 D is a solvent-free one component thin-film coating based on epoxy chemistry. It can be cured by UV light and/or heat. The performance of Bectron® PL 5621 D is also suitable for the most challenging requirements, for automotive applications and also for mass production systems.
Properties:
- Rapid UV curing
- Secondary heat curing as an option
- Temperature resistant from -40 °C +130 °C
- Briefly temperature resistant up to 160 °C
- Good adhesion
- Good dielectric properties
- VOC-free, lead-free, complies with the ROHS requirements
- Low viscosity
Applications:
Bectron® PL 5621 D is a VOC-free protective coating with excellent electrical performance due to the epoxy system. It also has outstanding adhesion on most surfaces. As a thin film, it is suitable for coating:
- Mounted printed circuit boards for electronics
- Hybrids
- SMD modules
It offers good protection from moisture, corrosion, migration and vibrations.
Cooling from molten state (melting resin)
Heat up, apply to component, let it cool down – finished.
Bectron® MR 3402 is a one-component melting resin developed for thick film coatings in electronic applications. As a thermoplastic, there is no curing reaction, just rapid solidification of the resin when it cools down.
Properties:
The tough melting resin Bectron® MR 3402 has a maximum operating temperature of 125 °C. It has excellent dielectric properties and shows very good adhesion on many different substrates across a temperature range from -30 °C to + 125 °C. It has low moisture absorption. It is also resistant among others to acids, bleaches and polar solvents.
- Not resistant to aliphatic aromatic compounds and chloric solvents
- Very easy to rework/touch up
- Reversible
- Fulfils the requirements of ROHS
- Coated area can be inspected under UV light
Applications:
- The dielectric properties of Bectron® MR 3402 make it ideal for electronic applications and as protection from moisture, corrosion, vibration and migration.
- Suitable for applying a thick film coating to printed circuit boards and parts to provide chemical protection and/or mechanical support.
- Offers protection from jolts and vibrations
- Can be applied selectively around individual components or across a wide area.
- Bectron® MR 3402 is recommended for mass production where fast process times are required (where no curing oven is necessary)
Bectron® MR 3404 is a one-component melting resin developed for thick film coatings in electronic applications. As a thermoplastic, there is no curing reaction, just rapid solidification of the resin when it cools down.
Properties:
The tough melting resin Bectron® MR 3404 has a maximum operating temperature of 105 °C. It has excellent dielectric properties and shows very good adhesion on many different substrates across a temperature range from -40 °C to + 105 °C. It has low moisture absorption. It is also resistant among others to acids, bleaches and polar solvents.
- Not resistant to aliphatic aromatic compounds and chloric solvents
- Very easy to rework/touch up
- Reversible
- Fulfils the requirements of ROHS
- Coated area can be inspected under UV light
Applications:
- The dielectric properties of Bectron® MR 3404 make it ideal for electronic applications and as protection from moisture, corrosion, vibration and migration
- Suitable for applying a thick film coating to printed circuit boards and parts to provide chemical protection and/or mechanical support
- Offers protection from jolts and vibrations
- It can be applied selectively around individual components or across a wide area.
- Bectron MR 3404 is recommended for mass production where fast process times are required (where no curing oven is necessary)
Bectron® PT 4606 ist ein lösungsmittelfreier, einkomponentiger, transparenter, Lack auf Polyurethanbasis -geeignet für Dickfilmbeschichtungen. Aushärtung erfolgt über UV-Bestrahlung und durch Feuchtigkeit (für schattige Bereiche). Es hat thixotrope Eigenschaften, um eine genaue Applikation auf ausgewählte Bereichenauf der Leiterplatte zu ermöglichen.
Seine hohe Viskosität und thixotrope Eigenschaften ermöglichen eine genaue Anwendung auf ausgewählten Bereichen auf der Leiterplatte (z. B. zum Versiegeln geeignet), zum Schutz von Bauteilen oder Anschlüssen am PCB oder als Damm für Damm- und Füllanwendungen.
Das ausgehärtete Produkt ist elastisch mit Flexibilität gegenüber niedrigen Temperaturen (-40 °C) und zeigt gute Haftung auf den meisten Substraten. Bectron® PT 4606 bietet ausgezeichnete Isolationseigenschaften.
Eigenschaften:
- Schnelle UV-Aushärtung
- Aushärtung über Feuchtigkeit in Schattenbereichen
- Temperaturbeständigkeit von -40 °C bis +120 °C
- Gute Flexibilität bis -40 °C
- Gute Haftung
- Gute dielektrische Eigenschaften
- Lösungsmittelfrei
- Hochthixotrope Rheologie
Anwendungen:
Bectron® PT 4606 ist VOC-frei
- Für Beschichtungen mit ausgezeichneter elektrischer Leistung
- Es bietet guten Schutz gegen Feuchtigkeit, Korrosion, Migration sowie Vibration
Bectron® MR 3406 is a one-component melting resin developed for thick film coatings in electronic applications. As a thermoplastic, there is no curing reaction, just rapid solidification of the resin when it cools down.
Properties:
The tough melting resin Bectron® MR 3406 has a maximum operating temperature of 125 °C. It has excellent dielectric properties and shows very good adhesion on many different substrates across a temperature range from -40 °C to +125 °C. It has low moisture absorption. It is also resistant among others to acids, bleaches and polar solvents.
- Not resistant to aliphatic aromatic compounds and chloric solvents
- Very easy to rework/touch up
- Reversible
- Fulfils the requirements of ROHS
- Coated area can be inspected under UV light
Applications:
- The dielectric properties of Bectron® MR 3406 make it ideal for electronic applications and as protection from moisture, corrosion, vibration and migration.
- Suitable for applying a thick film coating to printed circuit boards and parts to provide chemical protection and/or mechanical support
- Offers protection from jolts and vibrations
- It can be applied selectively around individual components or across a wide area.
- Bectron® MR 3406 is recommended for mass production where fast process times are required (where no curing oven is necessary)
Happy to assist you regarding conformal coating solutions.
If you have any questions about conformal coatings or would like to exchange with us, please feel free to contact us.
We look forward to engaging with you.
You are also welcome to call me: +49 40 75 24 9165
Yours sincerely, Dr. Maria Speiser
