Weifang Zhengtai Waterproof Material Co., Ltd. was established in 2001 year with the registered capital of 1 billion , covering area of 60000 square meter .
Modified bitumen membranes combine bitumen and styrene-butadiene-styrene (SBS), a family of synthetic rubber originating from styrene and butadiene. This process modifies the bitumen to create a copolymer with vastly improved elasticity, tensile strength, abrasion resistance, ageing stability and a higher softening point whilst retaining the phenomenal waterproofing performance of bitumen. The SBS modified bitumen is […]
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