Easy process for high performance

Long-lasting Protection for Electric Components

Semi-rigid SikaBiresin® RE polyurethane resins, thanks to their low viscosity, are easy to process and guarantee bubble-free potting, a requirement primarily for transformers, inverters and chargers.

SikaBiresin® RE semi rigid PU are both UL 94 VO and EN 45545 certified; Sika’s global presence guarantees that all our high-quality resins are available globally through the respective local organization. 

We can offer semi-rigid Polyurethane in different colors and reactivity, resins with high thermal resistance (+160 °C), affordable price, as well as systems with reduced toxicity (MDI free).

Electronical Potting and Casting

Best recommended Products Semi-rigid Polyurethane Systems