THE OXIDIZED BITUMEN SHOULD BE HEATED DOUBLE TEMPERATURE AGAINST THE SOFTENING POINT TO BE ABLE TO HAVE FLOW AND VISCOSITY.
date_rangeDec 29' 2018 / India
date_rangeAug 08' 2018 / Iran
date_rangeAug 08' 2018 / Iran
date_rangeAug 07' 2018 / Iran