Form This specification covers one type of glass cloth coated on one face with aluminum and the other face with silicone rubber. Application Primarily for use as a thermal curtain for protection of personnel and equipment from short-time exposure to high intensity thermal radiation. Safety - Hazardous Materials While the materials@ methods@ applications@ and processes described or referenced in this specification may involve the use of hazardous materials@ this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.