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

Sunshow Synova 5531 Hindered Amine Light Stabilizer

Sunshow Synova 5531 is a high-performance hindered amine light stabilizer (HALS) from Sunshow’s Synova series, engineered for exceptional UV protection in polyolefins and engineering plastics. It offers superior thermal stability, low volatility, and outstanding long-term weatherability without compromising polymer clarity or mechanical properties.
  • sunshow synova 5531 hindered amine light stabilizer_fe088786
  • sunshow synova 5531 hindered amine light stabilizer_fe088786

Features Of Sunshow Synova 5531 Hindered Amine Light Stabilizer

  1. Highly effective long-term UV stabilization for polyolefins and engineering plastics.

  2. Excellent thermal stability up to 280 °C, suitable for high-temperature processing such as injection molding and extrusion.

  3. Low volatility and minimal migration, ensuring consistent performance in thin-gauge and long-life applications.

  4. Compatible with other additives including antioxidants, UV absorbers, and pigments without adverse interactions.

  5. Non-discoloring formulation preserves original color integrity and surface aesthetics under prolonged UV exposure.

Typical Applications Of Sunshow Synova 5531 Hindered Amine Light Stabilizer

  1. Polypropylene (PP) automotive interior components including dashboards, trim, and door panels.

  2. HDPE and LDPE agricultural films requiring extended outdoor durability and photochemical resistance.

  3. PP and PE nonwovens used in geotextiles, landscaping fabrics, and outdoor furniture covers.

  4. Exterior profiles and cladding made from PVC and thermoplastic elastomers (TPEs).

  5. Rotomolded polyethylene tanks and containers exposed to continuous sunlight and weathering.

Specifications Of Sunshow Synova 5531 Hindered Amine Light Stabilizer

Chemical TypeTetramethylpiperidine-based hindered amine light stabilizer (HALS)
Product FormFree-flowing white to off-white granules
AppearanceGranular, uniform particle size distribution
Molecular Weight (approx.)550–620 g/mol
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), PVC, TPEs, and engineering thermoplastics
Key FeaturesLow volatility, high compatibility, non-basic HALS chemistry
BenefitsExtended service life, reduced surface cracking and chalking, improved gloss retention
Recommended Loading Range0.1–0.5 wt% depending on substrate and end-use requirements


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