Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Solvay CYASORB UV 3346 Light Stabilizer

Solvay CYASORB UV 3346 is a high-performance hindered amine light stabilizer (HALS) from the CYASORB UV series, designed to protect polymers against UV degradation. It offers excellent thermal stability, low volatility, and superior compatibility with polyolefins, PVC, and engineering plastics. Widely used in automotive, packaging, and outdoor applications for long-term weatherability and color retention.
  • solvay cyasorb uv 3346 light stabilizer_e86412b4
  • solvay cyasorb uv 3346 light stabilizer_e86412b4

Features Of Solvay CYASORB UV 3346 Light Stabilizer

  1. High-performance hindered amine light stabilizer (HALS) with synergistic UV absorption capability.

  2. Excellent thermal and hydrolytic stability for demanding processing conditions.

  3. Low volatility and minimal migration, ensuring long-term stabilization in thin films and outdoor applications.

  4. Compatible with a broad range of polymers including polyolefins, styrenics, and engineering thermoplastics.

  5. Non-discoloring formulation suitable for clear and pigmented systems requiring high aesthetic retention.

Typical Applications Of Solvay CYASORB UV 3346 Light Stabilizer

  1. Automotive exterior parts (e.g., bumpers, grilles, trim components).

  2. Agricultural films (mulch films, greenhouse covers, silage wraps).

  3. Packaging films for UV-sensitive products (e.g., food, pharmaceuticals, agrochemicals).

  4. Outdoor construction materials (geotextiles, roofing membranes, decking profiles).

  5. Consumer goods requiring weatherability (garden furniture, playground equipment, storage containers).

Specifications Of Solvay CYASORB UV 3346 Light Stabilizer

Chemical TypeHindered amine light stabilizer (HALS) with benzotriazole UV absorber functionality
Product FormFree-flowing white to off-white granules
AppearanceGranular, homogeneous particles
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), ABS, PS, and PVC
Key FeaturesSynergistic HALS/UV absorber mechanism, low extractability, high compatibility
BenefitsExtended service life under UV exposure, reduced surface cracking and chalking, improved color retention
Recommended Use Level0.1–0.5 wt% depending on substrate and performance requirements
Storage ConditionsStore in original unopened packaging at room temperature (15–25°C), protected from moisture and direct sunlight


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