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UV-328
Chemical name:
2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol
Molecular formula:
C22H29N3O
Molecular weight:
351.5
Structural formula:

CAS #:
25973-55-1
Properties & Uses:

It can offer good light stability to organic substance, with good UV adsorbing capacity, good compatibility, light color, good solubility in plastic and low volatility. It can be used in plastic and organic matter such as PS, acrylic polymer, unsaturated polyester, PVC, polyolefine , PU, polyacetal , elastomer and adhesive. It can work with other stabilizer, the dosage is 0.10-1.0%..

Technical standard:

Appearance:

light yellow powder

Assay :

≥99%

Melting point:

≥80℃

Light transmittance:

460nm≥98%

500nm≥99%

Volatile matter:

≤0.3%

Packing:
In net wt. 25kg/cardboard drum(paper sack)
Storage:

Good stability during the period of Storage, avoid high temperature and moisture.

 

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