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Tiunvin 329 & UV 329 – Wellsorb UV-329
Tiunvin 329 & UV 329 is an excellent high-efficiency, aging-preventing agent, which can effectively absorb 270-380 nm UV light. Non-flammable, non-explosive, non-toxic, harmless to health. Well, sort UV-329 almost does not absorb visible light, particularly applicable to colorless and light-colored products. Well, sort UV-329 is suitable for polyester, rigid PVC, PS, PMMA, PC, ABS resin, etc.
CHEMICAL NAME: | 2-(2′-hydroxy-5′-tert-octyllphenyl) benzotriazole | ||
CAS NO.: | 3147-75-9 | ||
SPECIFICATIONS | |||
Appearance : | White powder | ||
| Melting point (℃) | 101-106. | ||
Ash (%): | 0.05 max. | ||
Light transmittance (%) | 440 nm: | 97 min. | |
| 500 nm: | 98 min. | ||
Purity (%) | 99 min. | ||
Applications: | |||
Wellsorb UV-329 is an excellent high-efficiency, aging-preventing agent, which can effectively absorb 270-380 nm UV light. Non-flammable, non-explosive, non-toxic, harmless to health. Wellsorb UV-329 almost does not absorb visible light, particularly applicable to colorless and light-colored products. Wellsorb UV-329 is suitable for polyester, rigid PVC, PS, PMMA, PC, ABS resin, etc. Recommended dosage: 0.2%-0.5% | |||
PACKAGE: | |||
20kg fiber drum or craft bag | |||
