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Ultraviolet absorbent UV-329 |
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Chemical name: 2-(2-Hydroxy-5-tert-octylphenyl) benzotriazole |
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Molecular formula: C20H25N3O |
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CAS No.: 3147-75-9 |
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Structural formula:  |
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Chemical indexes: |
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Appearance |
white powder |
Assay |
≥99% |
Melting point |
101-106°C |
Ash |
<0.1% |
Light transmittance |
440nm>97% 500nm>98% |
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Features and Uses:Ultraviolet absorbent UV-329 is one kinds of high efficient anti-aging auxiliary with good performance, it can adsorb the UV ray of 270-340 nanometer It can be used in PE, PVC, PP, PS, PC, polypropylene fiber, ABS resin, epoxy resin, resin fiber 和 vinyl acetate or used in the packing material. Dosage : thin product 0.1-0.5%, thick product 0.05-0.2%. |
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Packing and storage:Ultraviolet absorbent UV-329 is non-toxic, non-inflammable, non-explosive, non-corrosive matter with good storage stability. Packed in plastic bag lined carton, Net wt. 25kg & 50kg, or following your demand. |
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