UV Absorber 327
UV Absorber 327
Model
Adsorbent

Item specifics

Appearance
Light yellow powder

Product review

Description

Product Description

Benzotriazole UV Absorber 327( UV 327) cas:3864-99-1

Chemical name 2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole

molecular formulaC20H24ClN3O


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.

Items
Specification
Appearance
Pale yellow crystal powder
Purity
99.0% min
Melting point
1540-158.0°C min
Loss on drying
0.5% max
Ash
0.1% max
Light Transmittance: 460nm
97%
Light Transmittance: 500nm
98%

Good and safe Package . we packing very careful protection your goods and samples
Genernal packing and customized packaging follow you request:
we have general packing: 
also,if you have any request, please feel free to contact with us
OEM one-stop packing
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Packing details
UV-327 is available in powder form in a 25 kg carton or a 25kg fiber drum, net weight, with an inner PE liner.

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