أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Low pressure The initial discovery of LDPE was an accident. So was the discovery of HDPE in. Researchers in Germany and Italy had succeeded in making a new aluminium based catalyst which permitted the polymerization of ethylene at much lower pressures than the ICI process: about - bar
