Optical brightener OB1(OBA 393) |
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C.I.: 393 |
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CAS NO. 1533-45-5 |
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Appearance: Bright yellowish green crystal powder |
Purity: 98.5 % min |
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Melting point: 359℃ |
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Usage: A good whitening agent for polyester-cotton blend |
fabric or various kinds of plastics and their products under |
high temperature. |
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Package: 25KG fiber drums with PE liner. |
Counter of Eastobright OB-1 (Eastman). |
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