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

Sunshow Synova 5544 Hindered Amine Light Stabilizer

Sunshow Synova 5544 is a high-performance hindered amine light stabilizer (HALS) from Sunshow’s Synova series, designed for polyolefins and engineering plastics. It offers exceptional UV resistance, thermal stability, and long-term weatherability while maintaining low volatility and excellent compatibility. Widely used in automotive parts, agricultural films, and outdoor applications requiring durable protection against photodegradation.
  • sunshow synova 5544 hindered amine light stabilizer_7b8f084c
  • sunshow synova 5544 hindered amine light stabilizer_7b8f084c

Features Of Sunshow Synova 5544 Hindered Amine Light Stabilizer

  1. High-performance HALS technology offering exceptional long-term UV resistance in polyolefins and engineering plastics.

  2. Low volatility and excellent thermal stability, ensuring minimal loss during high-temperature processing (e.g., extrusion, injection molding).

  3. Non-migrating molecular structure providing durable protection without surface blooming or plate-out issues.

  4. Compatible with common antioxidants (e.g., hindered phenols) and other polymer additives for synergistic stabilization systems.

  5. Halogen-free formulation meeting stringent regulatory requirements for automotive, packaging, and consumer goods applications.

Typical Applications Of Sunshow Synova 5544 Hindered Amine Light Stabilizer

  1. Polypropylene (PP) automotive interior parts — dashboards, trim, and pillar covers.

  2. HDPE and LDPE agricultural films requiring extended outdoor service life under intense UV exposure.

  3. PP and PE nonwoven geotextiles and landscaping fabrics exposed to sunlight and weathering.

  4. Outdoor furniture and garden products made from recycled polyolefin compounds.

  5. Thin-gauge PP packaging for pharmaceutical and personal care products demanding clarity retention and color stability.

Specifications Of Sunshow Synova 5544 Hindered Amine Light Stabilizer

Chemical TypeTetramethylpiperidine-based Hindered Amine Light Stabilizer (HALS)
Product FormFree-flowing white to off-white granules
AppearanceUniform granular solid, no visible dust or agglomerates
Molecular Weight (approx.)520–560 g/mol
Melting Range115–125 °C
Primary ApplicationsPolyolefins (PP, HDPE, LDPE), engineering thermoplastics (PA, PBT)
Key FeaturesUV stabilization, thermal stability, low volatility, halogen-free
BenefitsExtended product lifetime, retained mechanical properties, improved color fastness


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