Chemical name:2-[2'-hydroxy-3',5'-bis(
.
-dimethyl benzyl)-phenyl]benzotriazole
Molecular formula:C22H29N3O
Structural formula:
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, efficient light stabilizer, used for PE, PP polyester and coatings.Specifications:
|
Appearance
|
Light yellow powder
|
|
Melting point
|
≥139.5-141οC
|
|
Volatile matter
|
≤0.5%
|
|
Ash content
|
≤0.05%
|
|
Purity
|
≥99%
|
|
Transmissirity
|
460nm≥97%
500nm≥98% |
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