AM 128 Silicone Rubber RTV 8.8lb Kit
Pourable Silicone Mold Making Rubber, RTV Molding Rubber. Durometer, Shore A 28. Pot life approx 30-45 minutes. Demold time 16-24 hours. 8.8 lb Kit. Use petroleum jelly to separate silicone when using with glass and other silicones for the best results. NOTE: THIS PRODUCT IS NOT ELIGIBLE FOR AMAZON FREE SHIPPING.