ORCHEM™ – 918 is a low viscosity, very high reactivity, non pre accelerated, non thixotropic, high heat deflection temperature, unsaturated polyester resin based on isophthalic acid. It is intended to use in Infusion Molding. It’s unique cure profile, high filler loading, low shrinkage and moderate exothermal development exhibits a non cracking tendency and has excellent physical properties. Components made from ORCHEM™ – 918 have exceptional consistency ,superior finish and good mechanical strength.