Oxidized Bitumen Grades
Oxidized Bitumen produced by blowing hot air into the Penetration Bitumen. This action makes the Bitumen more rubbery than its original formula and it becomes Harder Bitumen. Oxidized Asphalt Bitumen recovers the weight loss under heating. Due to low thermal sensitivity, the Softening Point much Higher than Regular Bitumen and the Penetration index (PI) Higher than Road Construction Bitumen (8>PI>2) due to the letter has a Gel-Like structure because of Asphalt accumulation. Oxidized Bitumen mostly used in Industry, such as Roof Insulation, Flooring, Industrial Mastic, Pipe Coating, and Paints. Specifications of Oxidized Asphalt Bitumen are categorized based on Softening points and Penetration rate.