"Form This specification covers one type of quartz cloth heat-reactive@ thermosetting@ polyimide resin system@ the resin being processed to a""B"" stage condition@ and furnished in continuous rolls of full width material Application This cloth has been used typically for structural laminated requiring high strength and long-term heat resistance up to 315 ??(599 ??@ but usage is not limited to such applications Safety-Hazardous Materials While the material@ methods@ applications@ and process 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"