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上个世纪50年代,E PD M卷材首次用于防水工程,作为水池水库的内衬,之后才用在屋面上。E PD M卷材进入单层屋面市场是在60年代。同其它新产品一样,一开始,市场对此种材料的认可度不高,其市场份额远远落在沥青和叠层屋面系统之后。70年代石油禁运期间,沥青供应减少、价格上扬,使E
In the 1950s, the E PD M membrane was first used for waterproofing projects as a liner for reservoir reservoirs before being used on the roof. The E PD M membrane entered the single-story roofing market in the 1960s. Like other new products, at the beginning, the market was not very well-accepted for such materials, and its market share fell far behind the asphalt and laminated roof systems. During the oil embargo of the 1970s, bitumen supply decreased and prices rose, making E