Additives

Take Your Silicone Rubber Further

Additives compatible with Smooth-On Tin Catalyzed Silicones for altering and enhancing the characteristics and performance of the rubber compounds. Choose from a variety of colorants, cure accelerators, thinners or thickeners, adhesives and more.

Christmas Holidays Closure - We are closed from Friday 19th December, reopening on the Monday 5th January 2026. Last orders will be dispatched Thursday 18th December.
Any orders placed during this time will be dispatched from Monday 5th January