UV ABSORBER UV-326

UV ABSORBER UV-326

absorbent UV-326 This product can be dissolved in such organic solvent as benzol, touene, phenyethene, etc.

absorbent UV-326

Chemical Name:  2-(2'-Hydroxy-3'-tert-5' methyphenyl) -5-chlorobenzo+riozole

Molecular formula

C17H18N3OCL

 
Molecular Weight

315.8
CAS#

3896-11-5

Introduction:  This product can be dissolved in such organic solvent as benzol, touene, phenyethene, etc. Can not be dissolved in water. It can be easily dissolved in some kinds of resin, and it is not sensitive to mental ions. Under alkalinity, as low volatile, it is not turned into yellow, and can absorb the ultraviolet ray of 270-380mm wavelength effectively. When used with antioxidant, it has cooperative effect. With lower poison, it is considered as the world's sagest plastic accretion.

Physical Properties:

Appearance:

Yellowish Powder

Assay:

≥99%

Melting Range:

≥138

 Ash:

≤0.1%

Light Transmittance:

460nm≥93%

500nm≥96%

 Volatiles:

≤0.5%

Solubility: (At 20g/100ml solvent)

Water

insoluble

Methanol

/

Acetone

1

Ethyl acetate

2

Chloroform

11

n-Hexane

1

Applications: This product is an excellent light stability for plastics. It is suitable for polyalkemer (especially foodstuffs), polyvinyl choired, polyamide, ABS resin, AS resin and polyurethane etc.

Package:  The package is the paperboard drum lined with plastic bag. The net eight is 10kg / drum (20kg / drum).

Storage: When stored, please avoid the rain, moisture and sunshine.

Period of Validity:  About 2 years

Technical reviewTiangang Technical CenterVersion2012-12-25
Specifications and application notes on this page are compiled from Tiangang's published technical data. Actual values are governed by the COA shipped with each lot and the technical agreement confirmed by both parties.

Certifications

  • National High-Tech Enterprise
  • Vice Chairman Unit, China Plastics Processing Industry Association (CPPIA)
  • Vice Chairman Unit, Agricultural Plastics Branch, China Agricultural Plastics Application Technology Society
  • Member, Ageing Methods Subcommittee, National Technical Committee on Plastics (SAC/TC15/CS5)
  • Member, Society of the Plastics Industry (SPI), USA

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