Blown bitumen grades or Oxidized Bitumen are produced by passing air through the penetration grades. This process gives the bitumen more rubbery properties than its original formula and they are simply harder bitumen. sales@blownasfalt.com
date_rangeOct 08' 2018 / China
date_rangeOct 07' 2018 / Pakistan
date_rangeSep 15' 2018 / South Africa
date_rangeAug 09' 2018 / USA