Googled: list of additives in PE plastic
Found:
"Stabilizers are the most widely used additives in the PE industry.
Other additives commonly added to polyethylene are stearates (e.g., calcium and zinc stearates to neutralize acidic catalyst residues and to impart lubricity),
pigments (e.g., carbon black, cadmium yellow, and titanium dioxide),
metal deactivators (e.g., oxalyl bishydrazide for PE cable insulation),
processing aids (e.g., Dynamar, Ucarsil, Viton-A, to improve flow of the molten polymer),
optical brightners (e.g., Uvitex OB to enhance appearance).
Additives commonly added to polyethylene include antioxidants (hindered phenolics and phosphites for process stabilization),
antiblock compounds (e.g., silica, talc, and kaolin to reduce sticking of adjacent film layers),
and slip agents (e.g., erucamide and oleamide to reduce friction)."
"POLYETHYLENE (Stabilization and Compounding)"
https://www.linkedin.com/pulse/polyethylene-stabilization-co...