UV Absorber UV-327 CAS NO.: 3864-99-1
Product Detail
Chemical name: 2-(3',5'-di-tert-Butyl-2'-hydroxyphenyl)-5-chloro-2H-benzotriazole
Molecular formula: C20H24N3OCL
Molecular weight: 357.9
CAS NO.: 3864-99-1
Chemical structural formula:
Appearance: light yellow powder
Content: ≥ 99%
Melting point: 154-158°C
Loss on drying: ≤ 0.5%
Ash: ≤ 0.1%
Light transmittance:
|
Wave length nm
|
Light transmittance %
|
|
440
|
≥ 97
|
|
500
|
≥ 98
|
Toxicity: low toxicity,rattus norvegicus oral LD50 =5g/Kg weight.
Application：
This product is suitable in Polyolefine, Polyvinyl chloride, organic glass and others. Max absorption wave length range is 270-400nm.
General 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:
Package: 25KG/CARTON
Storage: Stable in property, keep ventilation and away from water and high temperature.
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