SUPERIOR PROPERTIES: Temperature Range -80 to 450F, Tensile Strength 700 psi, Elongation 350%, 60 Shore A Durometer, Black Color, with Adhesive Backing GREAT GASKET MATERIAL: Can Withstand 450F, Resists Oil, Acids, Acetone, and Most Chemicals MULTITUDE OF USES: Used In Industrial Settings, for Marine, Automotive, at Home, and For a Wide Range of DIY Projects. Cuts Easily w Knife/Scissors. MADE IN THE USA: Manufactured in Santa Ana, CA PROFESSIONAL QUALITY: Our Commercial Grade Silicone Rubber Offers Great Resistance to Ozone and Salt Water, Can Be Used Outdoors. This Silicone Rubber Offers Good Resistance to a Wide Variety of Chemicals. Softer Durometer Rubber Has Better Conformability; at 60A Durometer, This Silicone Rubber is Medium and Conformable. Smooth Finish, with PSA Adhesive Backing. Silicone Adhesive is Good to 450F and Pressure Sensitive – the Harder it is Pressed the Stronger it Adheres. Includes 1 Black Sheet of Silicone Rubber .062 Inch Thick, 9" x 12" (1.6mm x 230mm x 300mm). Outstanding Resistance to UV, Ozone, Oxidation and Weathering. Advantages of Silicone Rubber: 450F Use Temperature, Resists Oil, Acids, Animal Fats, Vinegar, Acetone, Amonium Hydroxide, and Natural Gas. Not Recommended for Gasoline, Fuel Oil, Kerosene, or Toluene.