Buton Natural Asphalt Specification: Bitumen Content: 25. 4% Penetration of 25 deg Cel, 100 gm, 5 sec: 130% Flash Point: 198 deg celCaCO3 37. 49% Na2O3 4. 22% Al2O3 1. 32% SiO2 12. 75% Packaging in BulkAvailable stock of about 40, 000MT per monthTerms: Only US $FOB VesselFor pictures of mine and shipment please write to me.
Buton Natural Asphalt Specification:
Bitumen Content: 25. 4%
Penetration of 25 deg Cel, 100 gm,