GB 27789-2011
ActiveThermoplastic polyolefin sheets for waterproofing
热塑性聚烯烃(TPO)防水卷材
Application Summary AI generated
This standard specifies the classification, requirements, test methods, inspection rules, and marking for thermoplastic polyolefin (TPO) waterproofing sheets used in building construction. It is applied in the manufacturing and quality control of TPO membranes for waterproofing roofs, basements, tunnels, and other civil engineering structures. The standard ensures product performance in terms of tensile strength, elongation, heat aging, and resistance to low-temperature flexing.
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