OSi UV326

Product Description

Product Name:  OSi UV326

Chemical Name:  2-(2'-hydroxy-3'-tert-butyl-5'-methyl phenyl)-5-chlorobenzotriazole 

Cas No. 3896-11-5

Structural formula: 

Properties

This product is a high-efficiency ultraviolet absorber that can effectively absorb ultraviolet light with a wavelength of 270-380 nanometers. It is odorless, resistant to high temperatures, and has a good thermal stabilizer. It does not yellow under alkaline conditions and is oil-resistant. This product hardly absorbs visible light, especially Suitable for colorless, transparent, and light-colored products.

Typical Technical Data 

The values below are not intended for use in preparing specifications. Please confirm with us prior to writing specifications on this product.

Compliant with GB/T20435-2006

Appearance: Yellowish powder 

Purity:≥99.0% by HPLC 

Volatile matter:≤0.5% 

Melting point:137.0-142.0°C 

Ash content:≤0.1% 

Transmittance:   

460nm       93.0%min 

500nm       96.0%min

Applications

OSi UV-326 is a benzotriazole-type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-326 is especially suited for polyolefins and cold-cured polyesters. It protects polymers from UV radiation helping to preserve the original appearance and physical integrity, especially for polyolefins and polyester resins.

Safety & Storage

Customers should review the latest MSDS and label for product safety information, safe handling instructions, personal protective equipment if necessary, and any special storage conditions required for safety. MSDS is available at your request.

Remarks

This technical data sheet is only used for internal quality control within OSi Holding Limited.

All rights reserved.

Packaging

20/25kg fiber drums or carton box