Publish Time: 2017-01-01 Origin: Site
Certain high performance phosphites(PS-2 and PS-3) have given
hydrolytic reaction during storage in HDPE produced with Cr-type
catalyst on silica carrier.
The result of this is a higher tendency for gel- and stripe formation
in finished articles after a few months' storage of HDPE raw materials.
The same phenomenon does not happen with PS-1.