ORCHEM™ – 720 is a high viscosity, medium reactivity, non pre accelerated, non thixotropic superior unsaturated polyester resin based on Orthophthalate acid. It has a moderate curing property and is suitably designed for button manufacturing process by centrifugal casting and Rod casting. It exhibits exceptional Gloss, excellent flexibility, excellent impact and crack resistance, moderate toughness along with excellent water and heat resistance.