Qingdao Sanhuan Colorchem Co., Ltd.
Qingdao Sanhuan Colorchem Co., Ltd.
2-(2H-benzotriazol-z-yl)-4,6-di-tert-pentylphenol
Chemical Formula: C22H29N3O
CAS NO. ：3896-11-5
UV328 is a high performance Ultraviolet Absorber. Its maximum ultraviolet absorption peak is 345nm, its light stability is similar to UV-326 and UV-327, but this product has good dissolubility with the resins. Its heat volatility is low and its durability to washing is very good.
| Item | Value |
| Appearance | Light Yellow Powder |
| Content(wt%) | ≥99 |
| Melting Point | 79-88 |
| Loss on Drying(wt%) | ≤ 0.5 |
| Ash(wt%) | ≤ 0.1 |
| Transmittance(wt%) | 425nm :≥97; 500nm: ≥98 |
It is mainly used in polyethylene, polypropylene, polystyrene, polyvinyl chlornamee, polyester, epoxy resin, ABS resin and cellulosic resin, etc., about 1% of general consumption. Has a fine light stability too in various kinds of coating.
25kg/bag
OBA for Plastic OBA for Textile Printing OBA for Paper Making OBA for Detergent
Processing Modifier ACR Foaming Regulator ACR Impact Modifier MBS
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