This product (Liquefied Petroleum Gas) is created by two gas: hydrocarbon gas butane and propane, or a combination of them, which are kept in liquid form.
*This liquid gas is located on the Iranian Energy Exchange*
 This product (Liquefied Petroleum Gas) LPG is created by two gas: hydrocarbon gas butane and propane, or a combination of them, which are kept in liquid form.
*This liquid gas is located on the Iranian Energy Exchange*
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.