| Customization: | Available |
|---|---|
| CAS No.: | 7128-64-5 |
| Formula: | C26h26n2o2s |
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Optical Brightener OB is light green or green powder, non-toxic and tasteless, can dissolve in alkane, fat, mineral oil, paraffin and most organic solvents, the absorption spectra of the largest value for 375 mm (in ethanol).
| Appearance | White or little green powder |
| Shade | Similar to standard |
| Purity | >99% |
| Melting point | 196-202ºC |
OB can be used for whitening thermoplastic plastics,PVC,PS,PE,PP,ABS,Acetate fier,paint,coating.printing ink,etc..It can be added at any stge in prodess for process for shitening the polymers and can give the finished products a bright bluish white glaze.
The dosage should be 0.01-0.05% on weight of plastic.Put whitening Agent OB into plastic pellets,mix the mixture thoroughly and then carry out shaping.Fluorescent whitening Agent OB is similar to Uvitex OB made in foreign country.
Hangzhou EMPERTOER CHEMICAL CO.,LTD. Our compang is engaged in development, reasearch, marketing of dyestuff for more than 10 years.
If you have interest in our products and want to find a stable supplier, PLEASE CONTACT US. I'm looking forward to your reply and the opportunity to have cooperation with you.
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