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

BASF Tinuvin 791 Hindered Amine Light Stabilizer

BASF Tinuvin 791 is a high-performance hindered amine light stabilizer (HALS) from the Tinuvin series, designed for polyolefins and engineering plastics. It offers exceptional UV protection, thermal stability, and low volatility, ensuring long-term polymer durability in demanding outdoor applications.
  • basf tinuvin 791 hindered amine light stabilizer_8a3c5e56
  • basf tinuvin 791 hindered amine light stabilizer_8a3c5e56

Features Of BASF Tinuvin 791 Hindered Amine Light Stabilizer

  1. High-performance hindered amine light stabilizer (HALS) with exceptional long-term UV protection for polyolefins and other polymers.

  2. Low volatility and excellent thermal stability, enabling use in high-temperature processing such as injection molding and extrusion.

  3. Non-migrating and non-extractable design ensures durable stabilization without surface blooming or loss during service life.

  4. Synergistic compatibility with phenolic antioxidants and UV absorbers, supporting robust multi-component stabilization systems.

  5. Regulatory-compliant formulation suitable for applications requiring adherence to FDA 21 CFR §178.2010 and EU Directive 2002/72/EC (as amended).

Typical Applications Of BASF Tinuvin 791 Hindered Amine Light Stabilizer

  1. Automotive interior components (e.g., dashboards, door panels, trim parts) exposed to intense solar radiation.

  2. Outdoor agricultural films including mulch films and greenhouse covers requiring extended weatherability.

  3. Polypropylene and polyethylene fibers for geotextiles, ropes, and outdoor upholstery.

  4. Rotomolded polyethylene tanks and containers used in chemical storage and water management.

  5. Blown and cast polyolefin packaging films where clarity, gloss retention, and UV resistance are critical.

Specifications Of BASF Tinuvin 791 Hindered Amine Light Stabilizer

Chemical TypeHindered amine light stabilizer (HALS), tetramethylpiperidine derivative
Product FormFree-flowing white to off-white granules
AppearanceGranular, uniform particle size distribution
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), polypropylene fibers, rotomolded PE, automotive plastics
Key FeaturesLow volatility, non-migrating, thermally stable up to 280 °C (short-term)
BenefitsExtended service life under UV exposure, improved color and mechanical property retention
Recommended Use Level0.1–0.5 wt% depending on polymer type and end-use requirements
Regulatory StatusComplies with FDA 21 CFR §178.2010; EU Plastics Regulation (EU) No 10/2011


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