tinuvin 328 cas 25973-55-1

Product Name: Tinuvin 328
Chemical Name: 2-(2′-Hydroxy-3′,5′-dipentylphenyl)benzotriazole
Another Name: UV absorber Uv 328
CAS No.: 25973-55-1
Molecular Formula:C22H29N3O
MolecularWeight:351.49
Appearance: Pale yellow crystalline powder
Assay: ≥99%

Category: Tags: , , ,

Description

Tinuvin 328QuickDetails
Product Name: Tinuvin 328
Chemical Name: 2-(2′-Hydroxy-3′,5′-dipentylphenyl)benzotriazole
Another Name: UV absorber Uv 328
CAS No.: 25973-55-1
Molecular Formula:C22H29N3O
MolecularWeight:351.49
Appearance: Pale yellow crystalline powder
Assay: ≥99%
Tinuvin 328Properties

Item
Specifications

Appearance
Pale yellow crystalline powder

Assay
≥99%

Loss On Drying
≤ 0.5%

Melting point
79~85℃

Transmittance
440nm ≥96.0P0nm ≥97.0%

UV-328function
Ultraviolet Absorbent Tinuvin 328 is a highly efficient light stabilizer for a variety of plastic and organic substrates. Recommended for homopolymer/copolystyrene, polyacrylate, unsaturated polyester, polyvinyl chloride, polyolefin, polyurethane, polycarb, polyacetal, polyvinyl butyral, elastomer and binder.

Tinuvin 328 is characterized by strong UV absorption, light initial color, good compatibility with most substrates, and low volatility.

It protects polymers and organic pigments while maintaining the consistency of the original appearance and physical properties of the surface of molded articles, films, fibers and sheets for outdoor use.
Tinuvin 328Packaging and Shipping
Packing: 25kg/Carton.
Delivery:within 5-7 working days.
Tinuvin 328storage
Stored in a cool dry place out of direct sunlight.

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