| 1. | Usage : for making pitch felt , construction waterproof course , high - grade pitch paint etc , and it is also the material for making pitch tar or retarded tar and modified pitch , it is the bond for making mould coal ( coal ball ) and carbon material , timber anticorrosion paint and road pavement
用途：用于制油毡、建筑物防水层、高级沥青漆等，也是制取沥青焦或延迟焦及改质沥青的原料,做型煤（煤球）及炭素材料的粘合剂，木材防腐油及铺路材料。 |
