Technical datasheet

Durastrength® 365s

Supplied byArkema- Last Updated on Nov 6, 2025

Durastrength® 365s by Arkema is a new generation composite acrylic core-shell impact modifier. It provides higher impact strength and wider processing window than Durastrength® 365.
  • It offers advanced impact strength and corner weld strength properties which are particularly critical in Ca/Zn stabilized PVC window profiles.
  • It imparts better flowability to PVC dry-blends and long-term weather resistance.
  • It is suitable for lead, tin and mixed metal-stabilized formulations.
  • Durastrength® 365s is recommended for PVC window profile, pipe, fencing, siding.
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Durastrength® 365s properties

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