| Customization: | Available |
|---|---|
| CAS No.: | 27344-41-8 |
| Formula: | C28H20S2O6Na2 |
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Appearance: light yellow to yellow uniform powder
Characteristic:
Blue-violet tone; Max. hard water resistance is 300ppm and max. free chlorine resistance is 0.25%; Not resistant to metal ions, such as copper, iron ion, etc; Stable with sodium hydrosulfite, but not resistant to high-temperature baking; Common light fastness and level-dyeing property
| Index | Standard |
| Fluorescent intensity(equal to standard) | 97~103 |
| Max UV absorption Spectrum by nm: | 348 |
1. Whitening of cotton fiber, viscose
2. Brightening of light tone or printed fabrics
3. Whitening of vinylon, chinion products
4. Whitening of paper pulp or coating
5. Synthetic detergent
| Products | Dosage |
| Cotton dip-dyeing | 0.1~0.2 % |
| Pad dyeing | 0.5~3 g/L |
| Starching | 1~2 g/L |
| Paper-making | 0.2~0.5 % |
| Synthetic detergent | 0.1~0.5 % |
1. There are more than 5000 brighteners on the world market, they are actually different brand names and numbers from different producers/ distributors for less than 400 chemical compounds. On China's market, the main names/ types are: BBU, CXT, BA-L, BA, APC, DMS(AMS), MST, 210, VBL, BBU, DT, VBU, BA, BC, DMS, FB-351, CBS-L, BA-L, 31#, CBW, 5BM, OB-1, APC, VBL, CXT, BBC, BST, BC-100, ER, ERI, BBU, CBS-L, PS(PF), OB, KB, OB-1, KCB, KSN, DBH-1, APH, APB-L, ER, KCB, KSN, PF, NFW, HPE and etc.
2. We normally list 24 months as the shelf life in our COA, the real shelf life can be slightly longer than 24 months if it's stocked in good condition (bags are sealed enough, away from direct sun-light, moisture and other incompatible chemical materials), but it's still suggested to avoid long time storage
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