RTV Urethane Molding Rubber Kit, 2 gal, 60 Hardness

Shore A 60 hardness

A medium hardness polyurethane. Similar in hardness to a pencil eraser. The cured rubber will flex but has very little stretch.

Polyurethane rubber makes a durable, easy releasing mold for casting plasters and waxes without release agents but when used with proper release agent are also excellent for casting cement, epoxy, polyester and acrylic

Mix 1 part A and 1 part B to make polyurethane mold rubber, after mixing, cures at  room temperature to flexible, high strength, mold rubber.  

This rubber can be used  for casting rubber parts when a mold release is used.

Mold Release Info: For releasing this rubber from a smooth non-porous original/plug an aerosol release agent must be used. can also be tinted