Making Things with Milo ‑ Hollow, Impact‑Resistant Flexible Prop

Overview

KX Flex 90 is a Shore 90A durometer two-part 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: https://www.smooth-on.com/product-line/kx-flex/ Shore Hardness guide: https://www.smooth-on.com/page/durometer-shore-hardness-scale/