| Appearance | Yellow Powder |
Optical Brightening Agent C.I.220 BBU
Formula：C40H42N12NA4O16S4
Molecular Weight：1165.04
Max UV Absorption Wavelength：350nm
Specification：
| Item | Indice |
| 1ã€Appearance | Yellow Uniform Powder |
| 2ã€E Value | 481±2 |
| 3ã€Whiteness Wcie (Compare withStandard) | ≥-3 |
| 4ã€Shade | Similar--Slightly Different |
| 5ã€Moisture， % | ≤5.0 |
| 6ã€Water Insoluble Matters,% | ≤0.5 |
| 7ã€Limit and Determination of 23 Harmful Aromatic Amines in Dye Products | Meet the Standard GB19601 |
Property：
1. Good solubility in water at the ration 1:3,stable water solution, free other auxiliary.
2. It is anionic, can be used together with anionic or nonionic surface sizing agent.
3. Insensitive to calcium and magnesium, weak resistance to copper, iron and other metal.
4. Best whitening effect under value 7.
5. Anti-peroxidation bleaching agent.
Application：
1. In paper industry, used for the whitening of pulp, coating and surface sizing.
2. In dyeing industry,used for the whitening of cotton fiber and viscose.
Treating Process：
Dip-dye temperature:60-100℃ Retention time:20-40min
Bath ratio:1:20-40 Dosage: 0.1-0.5%
Packing & Storage：
50kg plastic bag. According your requirement.
Avoid sunlight and dry area. Shipping as non-dangerous goods.
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