Environmental-Castin'Craft EasyMold Silicone Putty. Easy to use, has a three minute working time, 25 minute cure, is ideal for small molds and has excellent detail from original, strong, flexible or reusable molds! Heat range is up to 400 degree F. It is self releasing with no mold release agent required for most applications. EasyMold silicone putty is ideal for a wide range of impression type mold applications, including Castin'Craft clear casting resin, EasyCast clear casting epoxy, wax, baking, chocolates, ice cubes, soap, plaster, air dry clay, concrete and low melt metals. EasyMold is an easy to use, odor free, non-toxic, FDA compliant- food grade, two component silicone putty. This package contains one pound of EasyMold silicone putty. Conforms to ASTM D 4236. Made in USA.