DESCRIPTION OF PENETRATION BITUMEN 30/40 Penetration Bitumen 30/40 is a kind of refinery bitumen with a permeability between 30 and 40 that is produced by vacuum aerating a distillation tower. This kind of bitumen is most often used in the manufacturing of liquid bitumen, insulation,
WHAT IS PENETRATION BITUMEN (PEN BITUMEN)? The bitumen used in the various penetration grades is refined bitumen of different viscosity. Penetration Bitumen (PEN Bitumen), sometimes known as petroleum grade bitumen, is a black, semi-hard material. The hardness of the bitumen is determined by conducting a
DESCRIPTION OF PENETRATION BITUMEN 10/20 Penetration bitumen 10/20 is a bitumen produced by aeration on a vacuum baton (the raw material of bitumen production that is retrieved from the bottom of the distillation tower in the vacuum of oil refineries) in bitumen units, and the
