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Six national standards including polymer cement waterproof coating were issued

on May 25, the National Standardization Administration Committee issued announcement No. 4 of 2009, approving 259 national standards including six waterproof material standards

the standards related to waterproof materials are: polymer cement waterproof coating (gb/t), spraying polyurea waterproof coating (gb/t), pre paved/wet paved waterproof coiled material (gb/t), modified asphalt polyethylene tire waterproof coiled material (GB if flowing out in line 009), inorganic waterproof plugging material (GB), self-adhesive polymer modified asphalt waterproof coiled material (GB)

among them, polymer cement waterproof coating, spraying polyurea waterproof coating, and pre laying/wet laying waterproof coiled materials will be implemented from January 1, 2010. The total batch stability and high-yield sales of products this year are expected to reach 24million units; Modified asphalt polyethylene tire waterproof coiled material, inorganic waterproof plugging material and self-adhesive polymer modified asphalt waterproof coiled material will be implemented from March 1, 2010

industry experts said that the release and implementation of these six national standards will further regulate and guide the production and inspection of waterproof materials

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