High Quality Bumetrizole CAS 3896-11-5 with Good Price UV-326
China High Quality Bumetrizole CAS 3896-11-5 with Good Price UV-326, Find details about China Bumetrizole, CAS 3896-11-5 from High Quality Bumetrizole CAS 3896-11-5 with Good Price UV-326
Basic Info.
Transport Package
15kgs Net Kraft Paper Bag
Origin
China
HS Code
2901100000
Transport Package
15kgs Net Kraft Paper Bag
Origin
China
HS Code
2901100000
Product Desciption
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.
Product Name UV 326
Identification
Synonyms 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzortriazole
Molecular Formula C17H18N3OCl
Molecular Weight 315.8
CAS Number 3896-11-5
EINECS/ELINCS 223-445-4
Properties
Appearance light yellow powder or granular
Melting Range 138-141 °C
Flash Point 229 °C
Specific Gravity 0.37g/cm3 at 20 ºC
Stability stable under ordinary conditions
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, 6mts onto 20 pallet in 20Fcl, or in 20kgs drum
Storage Keep tightly closed and store in cool and dry place
Product Name UV 326
Identification
Synonyms 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzortriazole
Molecular Formula C17H18N3OCl
Molecular Weight 315.8
CAS Number 3896-11-5
EINECS/ELINCS 223-445-4
Properties
Appearance light yellow powder or granular
Melting Range 138-141 °C
Flash Point 229 °C
Specific Gravity 0.37g/cm3 at 20 ºC
Stability stable under ordinary conditions
| Item | Specification |
| Appearance | light yellow powder or granular |
| Purity | 99.0% min |
| Melting point | 138.0ºC min |
| Volatiles | 0.50% max |
| Residue on ignition | 0.05% max |
| Transmittance 460nm | 97.0% min |
| Transmittance 500nm | 98.0% min |
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, 6mts onto 20 pallet in 20Fcl, or in 20kgs drum
Storage Keep tightly closed and store in cool and dry place
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