Bitumen 120/150
bitumen 120-150, which is obtained by performing the aeration process on vacuum baton (raw material for bitumen production, which is taken from the bottom of the distillation tower in the vacuum of oil refineries) in bitumen production units and the degree of permeability (determination of stiffness). Bitumen) it should be between 120 and 150. The main common use of this product is in very cold and icy areas
