Description AlphaChem Silicone 303 is a premium low modulus, neutral cure silicone for expansion joints and perimeter points. Fast curing, low meko formula with excellent adhesion to different substrates. With excellent tooling and added anti fungal compound and uPVC adhesion promoters. Uses For building and construction joints with high movement For perimeter sealing of window and door frames (uPVC, wood and aluminium) For weather sealing and joint sealing of in-fill panels Benefits Weatherproof Anti-fungal Permanently elastic UV stable colours Added uPVC adhesion promoters Low meko Compatible with metal and alkaline surfaces
