Mouldcraft Black Poly Flex 70 Shore Fast Cure 500g Polyurethane Casting Rubber
Mouldcraft Black Poly Flex 70 Liquid Rubber 500g. Casting & Moulding Kits (11). This is a firm rubber A shore 70 - We have softer rubbers ranges from A shore 20 - 85, 20 being the softest and 85 the Hardest.