| Customization: | Available |
|---|---|
| CAS No.: | 27344-41-8 |
| Formula: | C28H20S2O6Na2 |
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Appearance: amber transparent liquid
Characteristic:
1. Blue-purple tone
2. Good affinity to fabrics, applied to surface gluing and coating. It can be Applied directly when diluted in water
3. Good resistance to hard water; Acid-resistant, even if at lower pH circumstance, it has a excellent whitening effect
4. Good sunlight fastness and alkali resistance
| Index | Standard |
| Fluorescent intensity(equal to standard | 19~21 |
| Max UV absorption by nm | 350 |
1. Mainly applied in paper pulp, surface sizing and coating
2. Applied in cotton, glue fiber and syrup of discharge pattern of printing
| Products | Dosage |
| In surface gauging whitening process, it can be mixed with CMC, PVA, strong anionic and weak Cationic synthetic sizing agent | 0.5~2.0 % |
| In the process of coating, it can be added in any stage coating preparation, dosage | 0.2~1.8 % |
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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