Product Specifications
| Prod Model: |
The catalyst and chemical additives |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Purity: |
99.0% Min |
| Melting Point: |
151.0 Tempreature Min |
| Volatiles: |
0.50% Max |
| Residue On Ignition: |
0.05% Max |
| Transmittance 460nm: |
97.0% Min |
| Transmittance 500nm: |
98.0% Min |
| Kind: |
Stabilizer |
| Appearance: |
Powder |
Product Description
UV-327 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. Product Name UV 327
Identification
Synonyms 2'-(2'-Hydroxy-3',5'-di-tert-butylophenyl)-5-chlorobenzotriazole
Molecular Formula C20H24N3OCl
Molecular Weight 357.88
CAS Number 3864-99-1
EINECS/ELINCS 223-383-8
Structure
Specification| Item | Specification |
| Appearance | light yellow powder or granular |
| Purity | 99.0% min |
| Melting point | 151.0ºC min |
| Volatiles | 0.50% max |
| Residue on ignition | 0.05% max |
| Transmittance 460nm | 97.0% min |
| Transmittance 500nm | 98.0% min |
Application
UV-327 is recommended in a variety of polymers and organic substrates, including acrylic polymers, polycarbonate, polyesters, styrene homo- and copolymers, unsaturated polyesters, polyvinyl chloride, polyolefins, polyvinyl butyral, elastomers, and adhesives.
Recommended application and dosage:
1. Unsaturated Polyester: 0.2-0.5wt% based on polymer weight
2. PVC:
Rigid PVC: 0.2-0.5wt% based on polymer weight
Plasticized PVC: 0.1-0.3wt% based on polymer weight
3. Polyurethane: 0.2-1.0wt% based on polymer weight
4. Polyamide: 0.2-0.5wt% based on polymer weight
Packing and Storage
Packing : In 15kgs net kraft paper bag, 7.5mts onto 20 pallet in 20Fcl, or in 20kgs drum
Storage : Keep tightly closed and store in cool and dry place
Safety Information
Non-hazardous for air, sea and road freight. 
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Thanks to sensitivity and continuous attention to pharmaceutical and pesticides and new materials industry, SuniwseChem has founded Shanghai Transchem Technology Co., Ltd., specialized in the custom Research and Development and technology innovation. We are able to provide comprehensive service from lab scale synthesis, pilot production till industrialized production.
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