Weatherability and impact modification
Hindered amine light stabilizers (HALS)
HALS grades differ in molecular weight and migration. Select test conditions for the resin, exposure and part thickness.
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Weatherability and impact modification
UV absorber UV-531 (octabenzone)
UV-531 is a benzophenone UV absorber. Evaluate its absorption range, substrate compatibility, thickness and migration requirements.
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Weatherability and impact modification
Chlorinated polyethylene impact modifiers
Distinguish impact-modifier CPE from other chlorinated polyethylene grades. Evaluate low-temperature impact together with PVC processing.
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Weatherability and impact modification
Acrylic processing aids for PVC
Acrylic processing aids target PVC fusion or melt strength. Distinguish processing grades from acrylic impact modifiers.
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