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

Jiyi Chemical JYSORB-UV329 Benzotriazole UV Absorber

Jiyi Chemical JYSORB-UV329 is a high-performance benzotriazole-type UV absorber offering exceptional photostability and thermal resistance. Widely used in coatings, plastics, and adhesives, it effectively prevents UV-induced degradation, yellowing, and embrittlement. Compatible with diverse polymer systems, it ensures long-term protection without compromising clarity or processing.
  • jiyi chemical jysorb uv329 benzotriazole uv absorber_fe1d2afc
  • jiyi chemical jysorb uv329 benzotriazole uv absorber_fe1d2afc

Features Of Jiyi Chemical JYSORB-UV329 Benzotriazole UV Absorber

  1. Highly effective UV absorption in the 270–380 nm range, providing robust protection against photodegradation.

  2. Excellent compatibility with a broad spectrum of polymers including polyolefins, ABS, polycarbonate, and PVC.

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

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

  5. Good hydrolytic stability and resistance to extraction by water or common solvents during service life.

Typical Applications Of Jiyi Chemical JYSORB-UV329 Benzotriazole UV Absorber

  1. Automotive interior and exterior plastic components (e.g., dashboards, bumpers, trim).

  2. Outdoor construction materials including PVC window profiles, roofing membranes, and cladding panels.

  3. Packaging films and containers for UV-sensitive products such as agrochemicals and pharmaceuticals.

  4. Coatings and inks for industrial and decorative applications requiring weatherfastness and color retention.

  5. Engineering plastics used in consumer electronics housings and outdoor lighting fixtures.

Specifications Of Jiyi Chemical JYSORB-UV329 Benzotriazole UV Absorber

Chemical TypeBenzotriazole derivative (2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol)
Product FormFree-flowing light yellow to pale tan crystalline powder
AppearanceWhite to off-white crystalline powder
Melting Point125–132 °C
SolubilitySoluble in chlorinated hydrocarbons, aromatic solvents, and hot aliphatic esters; low solubility in water and alcohols
UV Absorption Max (λmax)342 nm (in ethanol)
Primary ApplicationsPlastics, coatings, adhesives, and synthetic fibers
Key FeaturesPhotostable, non-discoloring, low volatility, polymer-compatible


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