Elantas Bectron® PK 4344 Thick Film Coating, thermal cure

Product Description
Application of Bectron® PK 4344
Properties of Bectron® PK 4344 in cured condition
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Product Description
Bectron
®
PK 4344 is a one-component resin system which cures to form a soft polyurethane duroplastic. It comprises a liquid polyol system with a dispersed solid encapsulated polyisocyanate and a pigment combination selected to provide controlled rheology including excellent thixotropic properties. Heating the resin releases the encapsulated polyiso- cyanate resulting in a polyaddition reaction to give a resistant duroplastic cured material.
In contrast to the usual 2 component resin systems Bectron
®
PK 4344 is ready to use and distinguished by excellent properties and especially good environ- mental compatibility.
Application of Bectron® PK 4344
The cured Bectron® PK 4344 is a soft duroplastic suitable for vibration protection of delicate components. Bectron® PK 4344 suitable for the partial or selective coating of SMD and other components groups on printed circuit boards and ceramic substrates. It has
low viscosity suited to rapid coating to form a thinner layer than the higher viscosity grades. This low viscosity is ideal for complex potting applications to minimise trapped air bubbles. As a potting resin it suitable for sensors, automotive electronics, plugs etc.
Properties of Bectron® PK 4344 in cured condition
The cured material displays high elasticity and strength producing excellent temperature cycling behaviour within the range of -60°C to +125°C as well as resistance to vibrations. This ensures minimal crazing even in thick layered applications.
Bectron
®
PK 4344 has excellent chemical resistance to a wide range of aggressive liquids common in automotive applications.
Furthermore Bectron
®
PK 4344 has good adhesion to almost all materials used in the field of electronics. Even after several temperature cycles there is no loss of adhesion mechanical and electrical properties
Satisfies ROHS Directive
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About Vật tư Sunflower
Vật tư Sunflower offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply
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