UV Absorber 327 UV-327 for Unsaturated Polyester

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Chemical Name: 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole

Synonyms: 2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol

Formula: C₂₀H₂₄N₃OCl

Structure:

CAS NO.: 3864-99-1

Molecular Weight: 357.9

Appearance: Yellowish crystalline powder

Purity: ≥99%

Melting Point: 154-157 ^°C

Ash: ≤0.1%

Loss On Drying: ≤0.5%

Transmittance: 460 nm≥95% 500 nm≥97%

Advantage and Application:

1. This product is a high efficient UV absorber, which can effectively absorb 270-400 nm UV light.

2. Good thermostability, low volatility, good intermiscibility with the polyolefin.

3. This product almost does not absorb visible light, particularly applicable to colorless and light-colored products.

This product is suitable for polyolefin, PVC, PMMA, POM, PU and ABS resin. This product is particularly suited to polypropylene fiber.

Package: 25KG cartons or drums

Our employees regard the company as their home. They put forward excellent new suggestions to improve the quality of UV Absorber 327 UV-327 for Unsaturated Polyester. Our products have been put into the domestic and foreign markets and are recognized by the majority of businesses and consumers. Our company adapts to market demand and starts from high starting point and new technology.

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