TinSil 70-60 is a high hardness, Shore A~60, 5A:100B mix, tin silicone that cures to a hard silicone mold rubber for casting low melting metals. No release needed for most applications. TinSil 70-60 has limited tear strength because of its hardness.

Technical Data: Datasheet  - MSDS  Part A - Part B                                                                                  Physical Properties