Fluorescent Whitening Agent DMS(#33)(FBA71/260)
Properties: Fluorescent Whitening Agent DMS is a derivative of the diphenylethylene bistriazine type and similar to the foreign brands such as Uvitex SDM. Blackophor MBBH, and Tinopal DMS. The products is a white crystalline powder and in the nature of anion, and has a greenish blue tone. Its resistance to chlorine-bleaching is better than whitening agents of ordinary dipahenylethylene bistrizine type.
Applications: The products is suitable for whitening cotton fabrics and nylon fabrics. It is most suitable for detergents. When compounded into detergents and soaps, it can make them look spotless white, crystal clear, smooth and thus more pleasant to eye.
Directions for use and dosage: Taking pad-dyeing process as example, dissolve DMS in hot water, carry out twice dipping and twice padding with a dosage of 0.5~3g/l at room temperature and drying at 100℃.
Specifications:
Item |
Indices |
Appearance |
white even-sized powder |
Whitening intensity |
equivalent to the 100 points of the standard agent |
Hue |
slightly different from the standard agent |
WCIE(whiteness difference between DMS and the standard agent) |
≥-3.0 |
Moisture content |
≤5% |
Content of insoluble impurities |
≤0.5% |
Fineness (quantity of residue on sieve having 180um meshes) |
≤10% |
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