Bitumen VG-40 is a new revision of bitumen that is different with the penetration ones. It is called viscosity grade that improved from the last ones.
 VG-40 bitumen is anew revision of bitumen that is different with the penetration ones. It is called viscosity grade that improved from the last ones.
VG-40 BITUMEN is a new revision of bitumen that is different with the penetration ones. It is called viscosity grade that improved from the last ones.
Bitumen VG-40 is a new revision of bitumen that is different with the penetration ones. It is called viscosity grade that improved from the last ones.
An organic material that is solid at ambient temperature, but when they become exposed to higher temperatures, converted to liquid.
It uses in food and cosmetics industry.