The Tri-Clover 1-1/2" Sanitary Gasket is made of white silicone rubber and has a maximum temperature rating of 500°F. It fits 1-1/2" Tri-Clover sanitary fittings and clamps. The gasket has an inside diameter of 1.5", an outside diameter of 2.062", and a width of 0.281". It meets FDA and USP Class VI standards. The gasket creates a perfect seal for sanitary process piping in food, beverage, pharmaceutical, and other sanitary process system applications.