DSO Fluid Handling offers a wide variety of tri-clamp sanitary gaskets for food, beverage, dairy and pharmaceutical processing and bioscience industries. Silicone gasket material offers temperature resistance, weather (UV and ozone) resistance, and fire resistance . It has very good compression set resistance allowing it to maintain a proper seal over many years. All gaskets compounds meet the FDA criteria for food and beverage applications, USDA, 3A, and USP Class VI standards. Selecting the proper gasket for a specific application is critical for the success of your application but also important for processing endurance and extended uptime. Silicone gaskets have no dot. Temperature range: -50° to 400° F ( -45° to 204° C). Available in sizes 1/2 in. to 4 in.