Name: Sunshow Sunsave 5521 Benzotriazole UV Absorber
Brand: Guangzhou Eric Wei Chemical Co., Ltd.

Features Of Sunshow Sunsave 5521 Benzotriazole UV Absorber

Highly effective UV absorption in the 280–380 nm range, providing robust protection against photodegradation.
Excellent compatibility with a broad range of polymers including polyolefins, ABS, polycarbonate, and engineering plastics.
Outstanding thermal stability up to 300 °C, ensuring minimal volatilization during high-temperature processing.
Low volatility and low migration tendency, supporting long-term performance in demanding end-use environments.
Non-discoloring formulation — maintains clarity and color fidelity in transparent and light-colored applications.

Typical Applications Of Sunshow Sunsave 5521 Benzotriazole UV Absorber

Automotive interior and exterior plastic components (e.g., dashboards, trim, grilles).
Outdoor construction materials such as PVC window profiles, siding, and roofing membranes.
Packaging films for food, pharmaceuticals, and consumer goods requiring UV-sensitive content protection.
Coatings and inks for industrial, automotive, and architectural applications.
Optical lenses, LED encapsulants, and other high-clarity polymer optics.

Chemical Type	Benzotriazole-based UV absorber
Product Form	Off-white to pale yellow crystalline powder
Appearance	Free-flowing crystalline solid
Primary Applications	Plastics, coatings, adhesives, and elastomers
Key Features	UV-A/UV-B absorption, thermal stability, low volatility, non-staining
Benefits	Extended service life, reduced surface cracking/yellowing, improved weatherability
Solubility	Soluble in common organic solvents (e.g., THF, chloroform, hot toluene); insoluble in water
Storage Conditions	Store in original sealed container at room temperature (15–25 °C), away from moisture and direct sunlight

Get in Touch with ERICW

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Contact With Us:

E-mail: wangxingqiang@ericwchem.com
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15921782326
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China