Mouldcraft Red Poly Flex 85 Shore Fast Cure 250g Polyurethane Casting Rubber
250g Mouldcraft Red Poly Flex 85 Liquid Rubber. Casting & Moulding Kits (11). This is a very firm Red rubber A shore 85 - We have softer rubbers ranges from A shore 85 - 85, 20 being the softest and 85 the Hardest.