Making Things with Milo Hollow, Impact Resistant Flexible Prop

KX Flex 90 is a Shore 90A durometer twopart urethane elastomer mixed 100A : 120B by weight that has a short pot life and quick demold time. Milo demonstrates how to do a hand rotational casting with KX Flex 90 into a Rebound 25 mold in order to make a lightweight and impact resistant prop bust. More information about KX Flex elastomers: Shore Hardness guide: , smoothon, moldmaking, casting Adult Supervision Required Keep Out Of Reach Of Children Make It Now with SmoothOn