August 23, 2013
Chemical giant ICL is now promoting Poly Posphoric Acid (PPA) in Europe, presenting it to FIRM13. PPA can be added to bitumen by itself or with polymers and has been used in the US for 35 years, becoming more popular in the last 15.
“This is related to the recognition that PPA can safely bring bitumen quality to within specifications and the demonstrated synergies in polymer modified bitumen,” said René Maldonado, manager technical development at ICL Performance Products. “PPA is now being used by sever