On February 9, 2009, the China National Standardization Administration (SAC) issued the national standard "Fire Blocking Materials." This standard specifies the terms and definitions, classification and marking, requirements, test methods, inspection rules, comprehensive judgment criteria and packaging, marking, storage and transportation of fireproof sealing materials.
This standard applies to fireproof plugging materials or fireproof plugging components used in various through-holes, structural gaps in buildings, structures and various types of facilities, fire-resistant expansion seals and rigid PVC buildings used inside construction fittings. Except for the drain pipe of the drain pipe.
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