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

BASF Tinuvin 928 Hydroxyphenyl Benzotriazole UV Absorber

BASF Tinuvin 928 is a hydroxyphenyl benzotriazole UV absorber from the Tinuvin series, offering exceptional photostability and broad-spectrum UV protection for polymers, coatings, and adhesives. It prevents UV-induced degradation without compromising clarity or color stability, ensuring long-term performance in demanding outdoor applications.
  • basf tinuvin 928 hydroxyphenyl benzotriazole uv absorber_1560d825
  • basf tinuvin 928 hydroxyphenyl benzotriazole uv absorber_1560d825

Features Of BASF Tinuvin 928 Hydroxyphenyl Benzotriazole UV Absorber

  1. Highly effective broad-spectrum UV absorber with strong absorption in the critical 290–400 nm range.

  2. Excellent thermal and hydrolytic stability, ensuring long-term performance in demanding processing conditions.

  3. Low volatility and high compatibility with a wide range of polymers, including polyolefins, polyesters, and engineering plastics.

  4. Non-discoloring and chemically inert, preserving substrate clarity and color integrity during service life.

  5. Designed for synergistic use with hindered amine light stabilizers (HALS) to enhance overall photostabilization efficiency.

Typical Applications Of BASF Tinuvin 928 Hydroxyphenyl Benzotriazole UV Absorber

  1. Automotive interior and exterior plastic components exposed to intense sunlight.

  2. Packaging films and containers requiring UV protection for contents and material integrity.

  3. Outdoor building materials such as profiles, sheets, and cladding made from PVC, ABS, or PC.

  4. Coatings and inks for durable signage, industrial finishes, and architectural applications.

  5. Textile fibers and nonwovens used in technical fabrics and geotextiles subjected to prolonged UV exposure.

Specifications Of BASF Tinuvin 928 Hydroxyphenyl Benzotriazole UV Absorber

Chemical TypeHydroxyphenyl benzotriazole (HPBT)
Product FormFree-flowing crystalline powder
AppearanceOff-white to pale yellow solid
Primary ApplicationsPolyolefins, polyesters, PVC, ABS, polycarbonate, coatings, and adhesives
Key FeaturesBroad UV absorption, low volatility, excellent polymer compatibility
BenefitsExtended product lifetime, reduced surface cracking and fading, improved weatherability
SolubilitySoluble in common organic solvents; limited solubility in water
Storage ConditionsStore in cool, dry place below 30°C in original sealed packaging


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