1.1 This specification covers the general requirements and tests for braided, rope, and wick fiberglass packing used for boiler, furnace, and other high-temperature equipment seals for service temperatures up to 1000°F (538°C). This specification covers the general requirements and testing procedures for wick (Type I), rope (Type II), and braided (Type III) fiberglass packing used for boiler, furnace, and other high-temperature equipment seals. The material used for construct