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Fluorescent Whitening Agent WS(FBA52)
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Properties:
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Fluorescent Whitening Agent WS is a compound of coumarin type.The product has an appearance of white powder and similar to the foreign brands such as Uvitex SWN,Leucophor WS,Blankophor FBO.It is solubility:soluble in organic solvents such as ethanol,methanol and glycol,and soluble in acidic water bath. |
Applications:
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This whitening agent is mainly used for whitening wool,natural silk,Jinlun,acetate fiber and triacetate fiber.It can be also used for whitening cotton,acrylic fiber,and cellulose fiber of resin. |
Directions for use and dosage: |
Adjust the PH volume to 3-5 with vinegqr acid,30-50°C,bath ratio:1:20-40,dissolve WS with a dosage of 0.05-0.35%,then put into the wet wool product,make the temperature up to 60-70°C, with 30 min,Lower temperature,wash and dry. |
Specifications: |
Item |
Indices |
Appearance |
white powder |
Melting point |
65-70°C |
Purity |
≥98% |
Moisture content |
≤5% |
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Packaging and storing: |
Packaged in plastic barrels,25kg or 50kg each.Stored by sealing it airtight in cool place. |
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