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

Solvay CYASORB UV-3346 Hindered Amine Light Stabilizer

SolvayCYASORBUV-3346isaHinderedAmineLightStabilizer(HALS)fromtheCYASORBseries,designedforhigh-performancepolymerstabilityagainstUVdegradation.ItoffersexcellentsynergywithUVabsorbers,thermalstabilityupto280°C,andlowvolatility,makingitidealforautomotive,agriculturalfilms,andengineeringplastics.
  • solvay cyasorb uv 3346 hindered amine light stabilizer_cbfc2a4b
  • solvay cyasorb uv 3346 hindered amine light stabilizer_cbfc2a4b

Features Of Solvay CYASORB UV-3346 Hindered Amine Light Stabilizer

  1. Highly effective long-term photostabilization for polymers exposed to intense UV radiation and thermal stress.

  2. Low volatility and excellent compatibility with a broad range of thermoplastics and thermosets.

  3. Superior hydrolytic stability, maintaining performance in humid or outdoor weathering conditions.

  4. Synergistic with UV absorbers (e.g., benzotriazoles) and antioxidants for enhanced stabilization systems.

  5. Non-discoloring and low migration, preserving aesthetic integrity and surface properties over time.

Typical Applications Of Solvay CYASORB UV-3346 Hindered Amine Light Stabilizer

  1. Polyolefins — including PP and HDPE films, fibers, and automotive interior components.

  2. Engineering plastics — such as ABS, PC/ABS blends, and polyamides used in exterior automotive parts.

  3. Coatings and inks — particularly high-performance industrial and automotive clearcoats requiring gloss retention.

  4. Roofing membranes and geomembranes — where extended UV resistance and dimensional stability are critical.

  5. Outdoor agricultural films — including mulch and greenhouse films subjected to prolonged solar exposure.

Specifications Of Solvay CYASORB UV-3346 Hindered Amine Light Stabilizer

Chemical TypeHindered amine light stabilizer (HALS), tetramethylpiperidine derivative
Product FormFree-flowing white to off-white granules
AppearanceWhite to pale yellow granular solid
Primary ApplicationsPolyolefins, engineering thermoplastics, coatings, elastomers
Key FeaturesLow volatility, high thermal stability (>250 °C), non-basic HALS chemistry
BenefitsExtended service life, reduced surface cracking/chalking, improved color retention
Regulatory StatusREACH registered; compliant with FDA 21 CFR §178.2010 for indirect food contact (when used within limits)


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