It is a kind of bitumen which is provided during the process of oxidation of vacuum bottom (the bitumen production feedstock that derive...
BITUMEN PENETRATION GRADE 40 50 It is a kind of bitumen which is produced during the process of oxidation of vacuum bottom in disti...
Standard diesel fuel (sometimes called diesel oil) comes in two grades: Diesel 1 (D1) and Diesel 2 (D2). Diesel or Diesel fuel in general...