Bitumen penetration grade150 / 200 is a high quality penetration grade asphalt derived from crude petroleum refining. It is dark in color and possesses waterproofing and adhesive properties. It is substantially non-volatile and softens gradually when heated. Bitumen 150/200 is used as a binder of mineral aggregates in asphalt concrete and hot laid plant mix for highways, airports, parking areas, driveways and curbs.