Хятад улс APP өөрчлөгдсөн битум мембран үйлдвэрлэгчид …
APP modified bitumen membraneAPP modified bitumen membrane is made by saturating the base in bitumen, or thermoplastics (such as APP,APAO,APO), then covering double faces with thermoplastic elastomer (SBS) and last finishing the upward face with fine sands, mineral slates (or grains) or polythene... Бидэнд И-мэйл илгээх.