"Form: This specification covers a style 7781 glass cloth impregnated with a heat-curable polyester resin system@ the resin being processed to a ""B"" stage condition@ and furnished in the form of continuous rolls Application: Primarily for vacuum-bag molded@ flame resistant laminates used up to 80?C (176?F) 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 "