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

BASF Chimassorb 944 Hindered Amine Light Stabilizer

BASF Chimassorb 944 is a high-molecular-weight hindered amine light stabilizer (HALS) from the Chimassorb series, designed for long-term UV protection in polyolefins and engineering plastics. It offers excellent thermal stability, low volatility, and synergistic performance with antioxidants—ideal for extrusion, injection molding, and outdoor applications requiring durable weather resistance.
  • basf chimassorb 944 hindered amine light stabilizer_485b721b
  • basf chimassorb 944 hindered amine light stabilizer_485b721b

Features Of BASF Chimassorb 944 Hindered Amine Light Stabilizer

  1. High molecular weight polymeric hindered amine offering exceptional long-term UV stability and thermal resistance.

  2. Low volatility and excellent compatibility with polyolefins, engineering plastics, and elastomers.

  3. Non-migrating structure ensures outstanding permanence and reduced blooming or plate-out in demanding applications.

  4. Effective in both thin-section and thick-section articles due to efficient radical scavenging and peroxide decomposition mechanisms.

  5. Compatible with other additives including antioxidants, UV absorbers, and pigments—enabling synergistic stabilization systems.

Typical Applications Of BASF Chimassorb 944 Hindered Amine Light Stabilizer

  1. Automotive interior and exterior plastic components (e.g., dashboards, bumpers, trim).

  2. Agricultural films and greenhouse covers requiring extended outdoor durability.

  3. Geotextiles and geomembranes exposed to intense solar radiation and environmental stress.

  4. Rotomolded tanks, playground equipment, and outdoor furniture made from polyethylene and polypropylene.

  5. Cable sheathing and insulation materials for telecommunications and power distribution infrastructure.

Specifications Of BASF Chimassorb 944 Hindered Amine Light Stabilizer

Chemical TypePolymeric hindered amine light stabilizer (HALS)
Product FormFree-flowing granules
AppearanceOff-white to light beige granules
Molecular Weight (approx.)2,200 g/mol
Primary ApplicationsPolyolefins (PP, PE), engineering thermoplastics, elastomers
Key FeaturesHigh molecular weight, low volatility, non-migrating, excellent processing stability
BenefitsLong-term UV protection, minimal impact on mechanical properties, good color retention
Recommended Use Level0.1–0.5 wt% depending on substrate and end-use requirements


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