Dragon Skin 30 Mold Making Silicone Rubber - Trial Unit Dragon Skin Series silicone rubbers are available in Shore hardnesses of 2A, 10A, 20A and 30A. In addition, the Dragon Skin 10 materials are available in SLOW, MEDIUM, FAST, and VERY FAST versions. Mix Ratio is 1A:1B by weight or volume and will cure at room temperature with negligible shrinkage Color: water white translucent (will accept pigments for creating color effects; Silc Pig Silicone Pigments or or Ignite Fluorescent Color Pigments) Used in many special effects applications, especially animatronics where repetitive motion is required; also used for medical prosthetics and cushioning applications Have a service temperature range of a constant -70F to +400F (-21C to + 205C)