natural bitumen
Natural Asphalt deposits are in petroleum areas. Mostly petroleum reservoirs exposed to surface. One of the most important areas who mined since 1940 is the asphalt deposits of PUB-LTD Gilsonite has high bond capability due to resin effect to make the asphalt more water proof. It
Peak Universal Business [2019-07-31 15:45:23 ]
OXIDIZED BITUMEN 90/40 (PURE and Without Gilsonite)
PURE OXIDIZED (BLOWN) BITUMEN 90/40 SPECIFICATION OF OXIDIZED BITUMEN 90/40 DESCRIPTION SPECIFICATION TEST METHOD Specific gravity @25/25˚C 1.05 approx D-70 Penetration@25˚C 35 – 45 D-5 Softening point ˚C 85 -95 D-36 Ductility@25˚C 5.5 min D-113 Flash point ˚C 230 min D-92
PETRO TAR CO. [2015-03-07 22:16:13 ]
