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

Cytec CYASORB UV 3346 Light Stabilizer

Cytec CYASORB UV 3346 is a high-performance hindered amine light stabilizer (HALS) from the CYASORB UV series, designed for polyolefins and engineering plastics. It offers exceptional long-term UV protection, thermal stability, and low volatility. Compatible with pigments and additives, it enhances weatherability without compromising mechanical properties or color retention.
  • cytec cyasorb uv 3346 light stabilizer_534ab35d
  • cytec cyasorb uv 3346 light stabilizer_534ab35d

Features Of Cytec 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-section and flexible applications.

  4. Compatible with a broad range of polymers including polyolefins, engineering plastics, and thermoplastic elastomers.

  5. Non-staining and non-discoloring—ideal for applications requiring high aesthetic integrity.

Typical Applications Of Cytec CYASORB UV 3346 Light Stabilizer

  1. Automotive interior components (e.g., dashboards, door panels, trim).

  2. Outdoor building & construction materials (e.g., siding, window profiles, roofing membranes).

  3. Agricultural films and greenhouse covers requiring extended UV resistance.

  4. Packaging films for UV-sensitive consumer goods and pharmaceuticals.

  5. Geotextiles and civil engineering membranes exposed to prolonged sunlight.

Specifications Of Cytec CYASORB UV 3346 Light Stabilizer

Chemical TypeHindered amine light stabilizer (HALS) with benzotriazole UV absorber moiety
Product FormFree-flowing white to off-white granules
AppearanceUniform granular solid
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), ABS, PC/ABS blends, TPEs
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 Loading Range0.1 – 0.5 wt% depending on substrate and end-use requirements
Processing Temperature RangeUp to 280°C for short-term melt processing


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