The roof waterproof materials may adopt the modified oxidatedasphalt coiling materials and other high molecular materials.
屋面防水材料采用改性氧化沥青防水卷材和其它高分子材料。
2
The paving properties evaluated test of Semi-oxidatedasphalt of China GL -1 and GL-2. was introduced systematically and compared with Fushun asphalt and Japan AC -100.