Ultraviolet Absorber UV-9, 326, 327, 531, UV-P
, Chemical name:
Appearance: Light yellow or white crystal powder.
Molecular weight: 326. Molecular formula: C21H26 O3
Relative density; 1.160(25C).
Melting point: 47-49C. Light transmittance; (1g/100mlalcohol)450nm≥ 90%500nm ≥ 95%
Light transmittance; (1g/100m1alcohol)450nm
Solubility: It is soluble in acetone, benzene, alcohol and isopropanol. It is slightly soluble in dichloroethane. It is insoluble in water.
This product is ultraviolet absorber. It can strongly absorption wavelength for 270-330 nm ultraviolet. It can be used for various kinds of plastics, especially polyethylene, polypropylene, polystyrene, ABS resin, makrolon, PVC, polyvinylidene chloride, epoxy resin, polyester and celluosic resin, etc. It has good solubility with resin. This product can be used as light stabilizer for all kinds of coatings., S & T and packing:
Avoid rain, moisture and sunlight. It is packaged with fiber can with plastic bag in it. The net weight is 25kg/barrel