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UV 531 UV Absorber Plastic Additive for PE PP PVC Masterbatch. Enhances Weather Resistance: Protects polymers from photo-degradation and yellowing effectively. Broad Compatibility: Suitable for PP, PE, PVC plastics, coatings, adhesives, and rubber. Global Compliance: Certified by CCIC and REACH for international market standards. Advanced Quality Control: Backed by independent R&D and complete QA inspection systems.