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

Clariant Hostavin PR-31 P Light Stabilizer

Clariant Hostavin PR-31 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 protection, thermal stability, and low volatility, ensuring long-term color retention and mechanical property preservation in demanding outdoor applications.
  • clariant hostavin pr 31 p light stabilizer_4527bdd6
  • clariant hostavin pr 31 p light stabilizer_4527bdd6

Features Of Clariant Hostavin PR-31 P Light Stabilizer

  1. High-performance hindered amine light stabilizer (HALS) with exceptional long-term UV protection.

  2. Excellent compatibility with polyolefins, including PP and HDPE, without blooming or migration issues.

  3. Thermally stable up to 300 °C, enabling use in high-temperature processing such as injection molding and extrusion.

  4. Low volatility and minimal odor—ideal for applications requiring stringent indoor air quality compliance.

  5. Synergistic performance when combined with UV absorbers (e.g., benzotriazoles) and antioxidants.

Typical Applications Of Clariant Hostavin PR-31 P Light Stabilizer

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

  2. Outdoor polypropylene furniture and garden products.

  3. Geotextiles and agricultural films exposed to full-spectrum sunlight.

  4. Packaging for UV-sensitive consumer goods (e.g., detergents, agrochemicals).

  5. Technical fibers and nonwovens used in construction and landscaping.

Specifications Of Clariant Hostavin PR-31 P Light Stabilizer

Chemical TypeHindered amine light stabilizer (HALS), tetramethylpiperidine derivative
Product FormPellets
AppearanceWhite to off-white free-flowing pellets
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), polypropylene fibers, and filled compounds
Key FeaturesNon-basic HALS, low extractability, high melt stability
BenefitsExtended service life under UV exposure, reduced surface cracking and embrittlement
Regulatory ComplianceREACH registered; compliant with FDA 21 CFR §178.2010 for indirect food contact (subject to formulation limits)
Storage ConditionsStore in original packaging at <25 °C, dry conditions; protect from moisture and direct sunlight


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