Kryolan-POLYTEK SMITH DEADENER 1kg, art.60395 / silicone softening additive

The Smiths Prosthetic Deadener is the original and best additive for creating soft silicone gel appliances. By varying the amount of deadener added to the combined components of Platsil Gel 10 A and B, you can adjust the softness of the finished silicone.

A basic rule of thumb would be:

• For a silicone mask, add 50% Deadener to a mix of A & B. This would be a 1:1:1 mix.
• For animatronic skin, add 100% Deadener to a mix of A & B.
• For prosthetic appliances, add 180% – 200% Deadener to a mix of A & B.

When you create a gel, the silicone no longer has a solid surface and the material becomes tacky to the touch. To create a dry, workable skin on the gel, you must encapsulate it. This can be done with a thin layer of Platsil Gel 10 silicone stippled or sprayed into the mold first, or with a bald cap plastic such as Syncap.