JINWEI CHEMINDUSTRY
Ultraviolet absorber UV-234
Chemical name:2-[2'-hydroxy-3',5'-bis(
.-dimethyl benzyl)-phenyl]benzotriazole
Molecular formula:C22H29N3O
Structural formula:
Properties:
Properties and application:It is a very pale yellowish powder, melting point 139.5-141
, efficient light stabilizer, used for PE, PP polyester and coatings.
Properties and application:It is a very pale yellowish powder, melting point 139.5-141
, efficient light stabilizer, used for PE, PP polyester and coatings.Specifications:
|
Appearance
|
Light yellow powder
|
|
Melting point
|
≥139.5-141οC
|
|
Volatile matter
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≤0.5%
|
|
Ash content
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≤0.05%
|
|
Purity
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≥99%
|
|
Transmissirity
|
460nm≥97%
500nm≥98% |
Package: 25kg Carton
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