Bitumen, which has less permeability and  less sensitivity to temperature changes is
And better retain their hardness at high temperatures is called Oxidized bitumen or Blown Bitumen

Uses of Oxidized Bitumen:

The use of Oxidized bitumen would be for waterproof rolls, in the manufacture of pipe coating, insulation of moisture in roof and floor of buildings.

The Quality Control unite of our company will test all of pruduced products with the most stringent and controlled laboratory equipment
And will export standard and high-quality products to our customers around the world.