Name: Rianox RIANOX UV-400 Hindered Amine Light Stabilizer
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Rianox RIANOX UV-400 Hindered Amine Light Stabilizer

Highly effective long-term photostabilization for polyolefins and engineering plastics under intense UV exposure.
Low volatility and excellent thermal stability, enabling processing at elevated temperatures without significant loss.
Compatible with common antioxidants and other additives, supporting synergistic stabilization systems.
Non-discoloring performance—maintains clarity and color fidelity in transparent and pigmented polymers.
Efficient radical scavenging mechanism via the hindered amine (HALS) regenerative cycle.

Typical Applications Of Rianox RIANOX UV-400 Hindered Amine Light Stabilizer

Automotive interior and exterior components (e.g., PP bumpers, dashboards, trim).
Agricultural films and greenhouse covers requiring extended outdoor service life.
Geotextiles and civil engineering membranes exposed to solar radiation.
Packaging films for UV-sensitive products, including food and pharmaceutical packaging.
Rigid PVC profiles and siding for architectural applications.

Chemical Type	Hindered Amine Light Stabilizer (HALS)
Product Form	Free-flowing white to off-white granules
Appearance	Granular, free of visible dust or agglomerates
Molecular Weight (approx.)	1,350 g/mol
Melting Point	125–132 °C
Primary Applications	Polypropylene (PP), polyethylene (PE), ABS, PVC, and thermoplastic elastomers
Key Features	Regenerative HALS mechanism, low extractability, non-migratory
Benefits	Extended product lifetime, reduced surface cracking and chalking, improved gloss retention

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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China