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Polymer Additives

UV Absorber 329

Technical DataSheet | Supplied by Disheng Technology

UV Absorber 329 is a 2- (2'-Hydroxy-5'-tert-octylphenyl) benzotriazole by Disheng Technology. It acts as a highly efficient UV absorber that can absorb 270-380 nm UV light and also acts as an age-preventing agent. It offers non-flammability, non-explosiveness, non-toxicity and no harm to health. It is recommended for colorless and light-colored products. It is compatible with polyester, rigid PVC, PS, PMMA, PC, polyolefin and ABS resin. It is suitable for transparent products and engineering plastics under high temperature processing. The dosage level of UV Absorber 329 is 0.2-0.5% for PS, 0.3-0.5% for ABS, 0.2-0.4% for PE, 0.2-0.5% for PVC and 0.3-0.5% for polyester.

UV Absorber 329 Product details

Product Type
xxxxxxxxxxxxxxxxxxxxxxxxx
Chemical Composition
xxxxxxxxxxxxxxxxxxxxxxxxx
CAS Number
3147-75-9
Physical Form
Powder
Appearance
White
Product Status
xxxxxxxxxx
Applications/ Recommended for
  • xxx
  • xxxxxxxxxxxxxxxxxxxxxxxxx
  • xx
  • xxxx
  • xxxxxxxxxxxxxxxx
  • xxx

UV Absorber 329 Properties

Property

Value & Unit
Test Condition
Test Method
Molecular weight
xxxxx
Purity, HPLC
xxxx %
Melting Point
xxxxxxxxxx °C
Ash content
xxxxx %
Loss on drying
xxxxx %
Transmittance @ 440nm
xxxx %
Transmittance @ 5000nm
xxxx %
Last edited Jul 16, 2018
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