Now you can make a rubber mold for wax injection without heat and without mixing and pouring liquids. This 0% shrinkage, addition cure silicone rubber is a 2-part putty that you simply knead together and then press into a standard mold frame to cure under pressure, without heat for 30 minutes. Packaged in two containers, part A and part B, weighing a total of 1.2 lbs. Not for use with sulfur-based modeling clay. Made in USA.

• Working Time 2 min. (approx)
• Cure Time 30 min. (approx)
• Durometer 35
• Shrinkage 0%
• Tensile Strength 400 psi
• Tear Strength 55 ppi
• Elongation 375%