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» Ultraviolet Absorbent
| Ultraviolet absorber BP-6 |
| Chemical name |
2,2'-Dihydroxy-4,4'-dimethoxybenzophenone |
| Molecular formula |
C15H14O5 |
| CAS NO. |
131-54-4 |
| Structural formula |
 |
| Main indicators |
appearance: light yellow needle shape crystal
content: ≥99%
melting point: 133-1360C
ash content: ≤0.1%
light transmittance: 450nm>90% , 500nm>95%
solubility(25℃ )(g/100g solvent): acetone :74; benzene:72; methanol:2; ethyl alcohol (95%):2.6; n-heptane:40; n-hexane:40.1 |
| Features and uses |
Ultraviolet absorber BP - 6 is a kind of anti-aging additive with remarkable effective performance. It absorbs 270 to 400 nanometers of ultraviolet light, with features of light color, non - toxic, good compatibility, small migration, easy to process. It has the greatest protective effect on the polymer, and helps reduce color, while delaying yellowing and blocking physical property loss. It is used for PE, PVC, PP, PS, PC, etc. And for the dry phenolic and alkyd varnish class, the polyurethane class, the acrylic class, the epoxy class and other air drying product and the automobile repair paint, it has provided the good light stability effect for them. Dosage: 0.1% to 0.5%.
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| Storage and packaging |
Ultraviolet absorber BP - 6 is non-toxic, no inflammable, explosive, corrosive, and stable in storage. Packed in plastic bags lined with cardboard, net weight 25kg/ barrel, also can be designed according to customer's requirement. |
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