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Chemical name: 2-(2'-Hydroxy-3'-tert-5'-methylphenyl)-5-chlorobenzotriazole
- CAS NO: 3896-11-5
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Introduction:
UV-326 is a benzotriazole type UV absorber. It has a high absorption in the wavelength
of 290~400nm. It is also efficient for the light stabilization of polyvinyl chloride, unsaturated
polyurethane, polystyrene, polycarbonate, coatings and lacquers.
- Specification:
- Appearance: slightly yellowish powder
- Melting Point: 137~142℃
- Content (HPLC) : 99% Min.
- Transmittance: 460nm≥97% 500nm≥98%
- Ash: 0.1% Max.
- Loss on drying: 0.5% Max.
- Property:
- Odorless, don’t bring smell to polymers.
- Insensitive to metal ion
- Non-flammable, non-explosion, non-toxic, harmless to health.
- Very high photo stability for its strong ability to absorb light especially in UV region (290~400nm)
- Very stable to heat and can be used in plastic which require high processing temperature.
- Not stained in alkali. Oil resistant.
- Low volatility, very little or no loss during processing.?
- Package: Net 25kg cartons with inner plastic bag.
- Storage: UV-326 should be stored in a closed system and be kept in a dry and dark place without any light exposure.
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