ORCHEM™ – 811 is a medium viscosity,medium reactive, non pre accelerated, non thixotropic, high heat deflection temperature, halogenated Fire Retardant unsaturated polyester resin based on terephthalic acid. It is intended for use in Hand Lay Up Processes. It’s faster cure profile, high filler loading and moderate exothermal development exhibits a non cracking tendency and has excellent physical properties. This resin passes UL-94-V0 & IS 6746-1994 for low flamability and UIC-564-2 for low flame spread, low smoke density and low toxicity index.