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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 393(OB-1) | 1533-45-5 | OB-1 is especially suitable for shaping various kinds of plastics and their products under high temperature. It has an extra ideal whitening effect on polyester-cotton blend fabric.It can be used for whitening polyester melt.This whitening agent is similar to Whitex SNK,Uvitex ERT and Eastobrite OB-1. |
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