Mc pu series, hardness available from 15 shore a to 95 shore a Mix ratio 1 1 De-mold time 8hrs 6hrs 3hrs Full cure 24hrs Why choose mc polyurethane rubber? Firm yet flexible mold rubbers Ideal for demanding, high production casting and forming of concrete Dimensionally stable molds can last for years Abrasion resistant for long mold life Easy to use, forgiving formulations All products share the same high performance Package: A and b 1kg, 5kg, 20kg, 200kg