UV-327 by Shanghai Deborn is 2-(3',5'-di-tert-Butyl-2'-hydroxyphenyl)-5-chloro-2H-benzotriazole-based UV absorber. It is applicable in polyolefin, PVC and organic glass. Recommended dosage level of UV-327 for unsaturated polyester is 0.2-0.5%, rigid PVC is 0.2-0.5%, plasticized PVC is 0.1-0.3%, polyurethane is 0.2-1.0% and polyamide is 0.2-0.5% based on polymer weight.
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UV-327 (Shanghai Deborn) properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Absorption Wavelength (λmax) | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Loss on Drying | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Molecular Weight, Mw | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Transmittance, Visible | 0.0 Visible After Login | Visible After Login | Visible After Login |
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