Name: Rianox RIANOX UV-944 Hindered Amine Light Stabilizer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Rianox RIANOX UV-944 Hindered Amine Light Stabilizer

High molecular weight hindered amine light stabilizer (HALS) offering exceptional long-term UV resistance.
Low volatility and excellent thermal stability, suitable for high-temperature processing such as extrusion and injection molding.
Non-migrating and non-extractable, ensuring persistent stabilization performance in demanding end-use environments.
Synergistic compatibility with UV absorbers (e.g., benzophenones and benzotriazoles) and antioxidants.
Environmentally favorable profile with no heavy metals or restricted substances per current global regulatory frameworks.

Typical Applications Of Rianox RIANOX UV-944 Hindered Amine Light Stabilizer

Polyolefin-based agricultural films requiring extended outdoor service life.
Automotive interior plastics exposed to intense solar radiation and elevated cabin temperatures.
Geomembranes and pond liners used in civil engineering and water management infrastructure.
Outdoor furniture and decking materials made from polyethylene (PE) or polypropylene (PP) composites.
Blown and cast films for packaging where clarity retention and color stability are critical.

Chemical Type	Hindered amine light stabilizer (HALS), tetramethylpiperidine derivative
Product Form	Free-flowing white to off-white granules
Appearance	Granular, free of visible dust or agglomerates
Molecular Weight (approx.)	2,300–2,500 g/mol
Melting Point	170–180 °C (determined by DSC)
Primary Applications	Polyolefins (PP, HDPE, LDPE), engineering plastics, thermoplastic elastomers
Key Features	Long-term UV protection, low volatility, high compatibility, non-discoloring
Benefits	Extended product lifetime, reduced surface cracking & chalking, improved gloss retention

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E-mail: wangxingqiang@ericwchem.com
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