SBS Waterproofing Membrane: Composition, Properties and Applications
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SBS waterproofing membrane, short for Styrene Butadiene Styrene modified asphalt waterproofing sheet, is a popular and effective waterproofing material in the construction industry.
It consists of three parts. The polyester felt serves as the base, providing strong support. The thermoplastic elastomer SBS modifies the asphalt to offer waterproofing properties. And the isolation layers, made of materials like polyethylene film, aluminum foil, sand, or shale chips, provide different protection effects.
SBS waterproofing membrane has many excellent properties. It has strong water - tightness, high tensile strength, large elongation, and good dimensional stability, which enables it to adapt well to the shrinkage, deformation, and cracking of the base layer. It also has good high - and low - temperature resistance, suitable for use in low - temperature environments. In addition, it has good resistance to puncture, abrasion, tearing, corrosion, mildew, and weathering. Moreover, it is convenient to construct. The hot - melt method can be used for construction throughout the year, and the joints are reliable.
This kind of waterproofing membrane has a wide range of applications. It is widely used in the waterproofing and moisture - proofing of roofs and basements in industrial and civil buildings, as well as in the waterproofing and anti - corrosion of structures such as cold storage, swimming pools, subways, tunnels, water - storage tanks, and sewage tanks.
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