Bitumen 60/70
Penetration Grade Bitumen
Formerly, the penetration index was define based on the assumption that thermal sensitivity in the bitumen used in road construction was zero. While it is a thermoplastic material which becomes pliable or moldable above a specific temperature and return to solid state upon cooling.
Viscosity Grade Bitumen
Recent standard method of classification of bitumen is to categorize it based on its viscosity. It is graded based on absolute viscosity at 60 ºC or kinematic viscosity at 135 ºC. The SI physical unit of dynamic viscosity is Poise and kinematic viscosity is expressed in Centi-Stokes.
Oxidized Bitumen Grades
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About Raymand Company
The world is changing its face day by day. New roads, highways and motorways are connecting distant cities to each other, expanding the market of bitumen consumption throughout the world.
Since the quality and supply capacity are key distinctions in international competitive markets, Raymand Company has focused on providing different grades of bitumen, commensurate with different needs of our clients, all of the best quality and competitive prices.
Relying on priceless experience of its founders, our company is capable of providing attractive offers for different clients all over the world. As a European company, we are expert in starting long term cooperation with our clients, establishing a sustainable business.
