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

Sunshow Sunsave 531 Benzophenone UV Absorber

Sunshow Sunsave 531 is a high-performance benzophenone-based UV absorber from Sunshow’s Sunsave series, offering exceptional photostability and broad-spectrum UV-A/UV-B protection for plastics, coatings, and adhesives. It prevents yellowing and degradation while maintaining clarity and mechanical integrity under prolonged sunlight exposure.
  • sunshow sunsave 531 benzophenone uv absorber_b188b9d6
  • sunshow sunsave 531 benzophenone uv absorber_b188b9d6

Features Of Sunshow Sunsave 531 Benzophenone UV Absorber

  1. High-efficiency UV absorption in the 290–400 nm range, providing broad-spectrum protection against UVA and UVB radiation.

  2. Excellent compatibility with a wide range of polymers including polyolefins, ABS, polycarbonate, and PVC.

  3. Good thermal stability up to 220 °C, supporting high-temperature processing such as extrusion and injection molding.

  4. Low volatility and minimal migration, ensuring long-term UV resistance without surface blooming or staining.

  5. Non-discoloring performance—maintains clarity and color fidelity in transparent and light-colored formulations.

Typical Applications Of Sunshow Sunsave 531 Benzophenone UV Absorber

  1. Automotive interior plastics (dashboards, trim, and instrument panels).

  2. Outdoor construction materials (PVC window profiles, siding, and fencing).

  3. Consumer packaging for UV-sensitive contents (e.g., cosmetics, pharmaceuticals, and agrochemicals).

  4. Coatings and inks for exterior signage and industrial finishes.

  5. Textile and fiber applications requiring durable UV stabilization for synthetic fabrics.

Specifications Of Sunshow Sunsave 531 Benzophenone UV Absorber

Chemical TypeBenzophenone derivative (2-Hydroxy-4-methoxybenzophenone)
Product FormOff-white crystalline powder
AppearanceFree-flowing, odorless crystalline solid
Molecular Weight254.24 g/mol
Melting Point48–52 °C
SolubilitySoluble in chlorinated hydrocarbons, aromatic solvents, and hot alcohols; insoluble in water
Primary ApplicationsPolymer stabilization, coatings, adhesives, and inks
Key FeaturesUV screening, thermal stability, low volatility, polymer compatibility


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