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

Solvay CYASORB THT 4802 Light Stabilizer

Solvay CYASORB THT 4802 is a high-performance hindered amine light stabilizer (HALS) designed for polyolefins and engineering plastics. It offers exceptional UV resistance, thermal stability, and long-term weatherability while maintaining low volatility and excellent compatibility. Ideal for thin films, fibers, and outdoor applications requiring durable protection against photodegradation.
  • solvay cyasorb tht 4802 light stabilizer_5343236f
  • solvay cyasorb tht 4802 light stabilizer_5343236f

Features Of Solvay CYASORB THT 4802 Light Stabilizer

  1. High-performance hindered amine light stabilizer (HALS) with synergistic thioester functionality for enhanced UV protection.

  2. Excellent compatibility with polyolefins, engineering thermoplastics, and elastomers without blooming or plate-out.

  3. Thermal stability up to 280 °C enables use in high-temperature processing such as injection molding and extrusion.

  4. Low volatility and minimal odor support safe handling and improved workplace air quality.

  5. Non-migrating molecular design ensures long-term stabilization performance in demanding outdoor applications.

Typical Applications Of Solvay CYASORB THT 4802 Light Stabilizer

  1. Automotive exterior components including bumpers, grilles, and trim parts.

  2. Outdoor building & construction materials such as siding, roofing membranes, and window profiles.

  3. Agricultural films requiring extended UV resistance under intense sunlight exposure.

  4. Geotextiles and civil engineering fabrics used in infrastructure projects.

  5. Packaging films for UV-sensitive products including agricultural chemicals and specialty coatings.

Specifications Of Solvay CYASORB THT 4802 Light Stabilizer

Chemical TypeHindered amine light stabilizer (HALS) with thioester co-stabilizer
Product FormFree-flowing white to off-white granules
AppearanceUniform granular solid, no visible dust or agglomerates
Primary ApplicationsPolypropylene (PP), polyethylene (PE), thermoplastic elastomers (TPE), ABS, and PA6/66
Key FeaturesSynergistic HALS–thioester system; low volatility; high thermal stability
BenefitsExtended service life under UV exposure; reduced surface cracking and embrittlement; excellent processability
Recommended Use Level0.1–0.5 wt% depending on substrate and end-use requirements
Storage ConditionsStore in original unopened packaging at ≤30 °C and <60% relative humidity


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