The silicone components are delivered as two component medium viscous liquids, which once mixed and cured, transforms into a translucent, elastic and resistant material. Polymerisation occurs without formation of heat. 

Transil 40-1 has a shore hardness of 40 when you application requires a firmer hardness.

Ideal rapid prototying material when you need to see your part in the mould before you cut your part out.