The new standard practice was developed by the Plastics Pipe Institute and an ASTM technical committee. IRVING, TX — The ...

This became possible through the use of random copolymers of polyethylene glycol, which adsorbs water well, and polypropylene glycol, which adsorbs water slightly less well. The difference in ...

This became possible through the use of random copolymers of polyethylene glycol, which adsorbs water well, and polypropylene glycol, which adsorbs water slightly less well. The difference in ...

Sabic (Riyadh / Saudi Arabia; www.sabic.com) says its new PP random copolymer is highly transparent and allows energy savings for converters. The “Qrystal” PP can be processed at lower temperatures ...