也可用于地毯背衬，和建筑如沥青添加剂和屋顶粘合剂。
It is also used in carpet backing, and construction such as bitumen additive and adhesive for roofing.
试验结果与分析表明，各种添加剂的掺入将使最佳沥青用量增加约0。
Results and analyses show that the use of the additives will increase the optimum asphalt content by about 0.
选用车辙试验和恒定高度重复剪切试验（RSCH）来进行掺加PR系列添加剂沥青混合料的高温性能研究。
Impacts on asphalt mixture's high temperature performance with PR series additives added by means of rutting test and Repeated Shear Test (Constant Height)(RSCH) were investigated.
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