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

Derisorb Derisorb 326 Benzotriazole UV Absorber

Derisorb Derisorb 326 Benzotriazole UV Absorber is a high-performance benzotriazole-based ultraviolet light stabilizer from Derisorb’s premium additive series. It offers exceptional UV absorption in the 290–400 nm range, outstanding thermal and hydrolytic stability, and excellent compatibility with engineering plastics like polyesters and polyamides—ideal for automotive, packaging, and outdoor applications requiring long-term weather resistance.
  • derisorb derisorb 326 benzotriazole uv absorber_166811f9
  • derisorb derisorb 326 benzotriazole uv absorber_166811f9

Features Of Derisorb Derisorb 326 Benzotriazole UV Absorber

  1. Highly effective UV absorption in the 290–400 nm range, providing robust photostabilization for organic substrates.

  2. Excellent thermal and hydrolytic stability, ensuring consistent performance during high-temperature processing and long-term service life.

  3. Low volatility and minimal migration, maintaining protection integrity in thin-film applications and multilayer systems.

  4. Good compatibility with common polymers including polyolefins, engineering plastics, and coatings formulations.

  5. Non-discoloring profile—does not induce yellowing or haze under UV exposure or thermal aging.

Typical Applications Of Derisorb Derisorb 326 Benzotriazole UV Absorber

  1. Automotive interior plastics (dashboards, trim, seat components).

  2. Outdoor architectural coatings and industrial finishes.

  3. Polypropylene and polyethylene films for agricultural and packaging use.

  4. UV-curable inks and clear protective topcoats.

  5. Polycarbonate and ABS components requiring long-term weatherability.

Specifications Of Derisorb Derisorb 326 Benzotriazole UV Absorber

Chemical TypeBenzotriazole-based UV absorber
Product FormFree-flowing crystalline powder
AppearanceOff-white to pale yellow crystalline solid
Primary ApplicationsPlastics, coatings, adhesives, and inks
Key FeaturesUV-A/UV-B absorption, low volatility, polymer compatibility
BenefitsExtended product lifespan, reduced surface cracking & chalking, improved color retention
SolubilitySoluble in common organic solvents (e.g., toluene, xylene, MEK); limited water solubility
Storage ConditionsStore in a cool, dry place away from direct sunlight and moisture


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