asiabitumen.com
Bitumen
Bitumen We are supplier Bitumen according to the (NIOC) Standard for exporting to countries who are interesting in high quality Bitumen. Bitumen grades 1. 60/70 2. 80/100 3. 85/100 4 .50/70 5. 70/100 6. 160/220 Bitumen 60/70 SPECIFICATION TEST METHOD A.S.T.M. SPECIFIC GRAVITY AT