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Plastic using optical brightening agent is a fluorescent dye, known as white dye, is also a complex organic compound. It can excite incident light to produce fluorescence so that plastic can be obtained similar fluorspar sparkling effect, so as to achieve the whitening effect.
| OBA for Plastics | CAS NO. | Characteristics&Applications | |
|---|---|---|---|
| FB 368(KSN) | 5242-49-9 | KSN chemical structure is similar to OB-1,but has much better whitening effects than OB-1 on polyester fibres and plastics,its compatibility with plastics is better than OB-1 too,highly whitening effects is available with only small dosage,KSN has a good resistance to high temperature as well as excellent resistance to light and weather.Applied to whiten polyester,polyamide and polycarylonitrile fibres,used in film,plastic pressing & injection process too.Suitable for whitening high polymers and could be added at any point during synthesizing. |
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