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UV Absorber 327
- group name
- Plastic&Rubber Auxiliary Agents
- Min Order
- 25 kilogram
- model
- Adsorbent
- payment method
- L/C, Western Union, T/T, Paypal
- update time
- Fri, 13 Dec 2019 10:46:29 GMT
Paramtents
Appearance Light yellow powder
Packging & Delivery
-
Min Order25 kilogram
Briefing
Detailed
Benzotriazole UV Absorber 327( UV 327) cas:3864-99-1
Chemical name : 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole
molecular formula: C20H24ClN3O
Introduction :
UV327 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers.UV327 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..
Physical Properties:
Appearance: Light yellow crystalline powder
Content: > =99%
Melting Point: 154-158° C
Ash: < =0.1%
Loss on Drying: < =0.5%
Light Transmittance: 460nm≥97% ; 500nm≥98%
Flashpoint : 234 °C
Specific Gravity(20 °C) : 0.37g/cm3
Application:
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
Storage:
This product may be stored for one year in a sealed container. Containers should be stored in a cool, dry area. Extended storage at elevated temperatures or exposure to direct heat or sunlight could reduce product life. Keep containers sealed when not in use.