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

Clariant Hostavin PR-25 P Light Stabilizer

Clariant Hostavin PR-25 P is a high-performance hindered amine light stabilizer (HALS) from the Hostavin PR series, designed for polyolefins and engineering plastics. It offers exceptional UV resistance, thermal stability, and low volatility, ensuring long-term polymer protection during processing and outdoor exposure. Widely used in automotive, packaging, and agricultural films.
  • clariant hostavin pr 25 p light stabilizer_b785b628
  • clariant hostavin pr 25 p light stabilizer_b785b628

Features Of Clariant Hostavin PR-25 P Light Stabilizer

  1. High-performance hindered amine light stabilizer (HALS) specifically optimized for polyolefin applications.

  2. Excellent long-term UV protection with low volatility and superior thermal stability up to 300 °C.

  3. Good compatibility with polypropylene (PP), polyethylene (PE), and thermoplastic elastomers (TPEs).

  4. Low migration tendency, supporting compliance with food-contact regulations in applicable formulations.

  5. Free-flowing powder form enabling precise dosing and homogeneous dispersion in masterbatch and compound production.

Typical Applications Of Clariant Hostavin PR-25 P Light Stabilizer

  1. Automotive interior components (e.g., dashboards, door trims, seat backs).

  2. Outdoor consumer goods including garden furniture, storage containers, and playground equipment.

  3. Technical films and geomembranes requiring extended outdoor service life.

  4. Polyolefin-based nonwovens for geotextiles and agricultural mulch films.

  5. Recycled polyolefin compounds where enhanced UV resistance compensates for polymer degradation.

Specifications Of Clariant Hostavin PR-25 P Light Stabilizer

Chemical TypeHindered amine light stabilizer (HALS), tetramethylpiperidine derivative
Product FormFree-flowing white to off-white powder
AppearanceUniform granular powder, no visible lumps or discoloration
Primary ApplicationsPolypropylene (PP), polyethylene (PE), thermoplastic elastomers (TPEs)
Key FeaturesLow volatility, high thermal stability, excellent UV resistance, good polymer compatibility
BenefitsExtended product lifetime, reduced surface cracking/chalking, improved color retention
Recommended Use Level0.1–0.5 wt% depending on substrate and performance requirements
Storage ConditionsStore in cool, dry place below 30 °C; keep container tightly closed


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