BECTRON® PK 4351 is a one-component polyurethane coating designed for encapsulating electronics exposed to harsh conditions. Curing at +90 °C in 30 minutes, it forms a Shore D30 thermoset with 0.3 W/mK thermal conductivity. Its solvent-free formulation and excellent cold flexibility make it suitable for modern energy-efficient production lines.
BECTRON® PK 4351 Features:
One-component, no-mix system
Cures quickly at +90 °C within 30 minutes
Forms durable Shore D30 thermoset
Thermal stability from -50 °C to +125 °C
0.3 W/mK thermal conductivity
Zero VOCs and 100% solids for safe processing
BECTRON® PK 4351 Applications:
Thick film encapsulation of electronics in automotive and industry
Dam & Fill and wet-on-wet coating applications
PCBs requiring structural and environmental reinforcement
IR curing processes with energy efficiency needs
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
Technical Added Value to customer Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers. Need help selecting the right product or solution?