Articles

Performance Grade (PG) bitumen is graded based on its performance characteristics at varioustemperatures. The Long-Term Pavement Performance (LTPP) program has developed a specific algorithm to estimate […]

Viscosity Grade Bitumen is a standard grade Bitumen, manufactured from a fractional / vacuumdistillation of crude oil, which practical appliance and behavior varies according to its […]

The penetration grades bitumen is a kind of blown bitumen which is produced by different viscosity. It is graded based on its performance at different  temperatures. […]

If in the oil refining process in the vacuum distillation tower, the separation of light cuts from heavy cuts at the end of the tower is […]

Petroleum bitumen is obtained from the distillation of crude oil in the refinery. First, the crude oil is heated to 300 to 350 ° C in […]

Natural bitumens are solid hydrocarbon materials that exist naturally in the shallow layers of the earth’s crust, and in some parts of the earth’s crust, they […]

Bitumen can be used in more than 100 different industries.Due to adhesive and waterproof properties bitumen can be used in more than 100 different industries. The […]

Iran is one of the largest and oldest sources of natural bitumen in the world. As the third holder of natural bitumen reserves in the world, […]