In this tutorial we make a 2 piece silicone mold for casting flexible foam. We used 5140 silicone for this mold. 5140 is a firm, 40A platinum silicone that is ideal for accurate 2 piece molds that key together. We used this mold to cast TC-284 flexible foam props.
Video Library: https://www.brickintheyard.com/pages/video-library
Zip 301 Mold Release: https://bjbmaterials.com/silicones/accessories/zip-me-301s-release-spray
Protolina Clay: https://bjbmaterials.com/silicones/accessories/plastalina-modeling-clay/
5140 Silicone: https://bjbmaterials.com/tc-5140-a-b
Part All Hi-Temp Wax: https://bjbmaterials.com/release-agents/partall-hi-temp-mold-release-wax/
TC-284 Flexible Foam: https://bjbmaterials.com/tc-284-a-b/