Ecoflex 00-30 Super Soft Platinum Silicone - Trial Unit Mix Ratio: 1A:1B by volume or weight Pot Life: 45 minutes - Cure Time: 4 hours Shore 00-30 Hardness Cured rubber is very soft, very strong and very "stretchy", stretching many times its original size without tearing and will rebound to its original form without distortion. Please know that 'Liquid Rubber' is the same as 'Pourable Silicon Rubber'