tinuvin 328 cas 25973-55-1

描述

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.