Fluorescent Brightener CAS No 27344-41-8 (BA) Optical Brightener
Product Description
Appearance:
light yellow uniform powder
Characteristic:
1. Bright bluish tone
2. Good acid and alkali resistance
3. Better whitening effect than VBL at pH 4.5-7
| Index | Standard |
| Fluorescent intensity(equal to standard) | 97~103 |
| Max UV absorption by nm | 348 |
1. Whitening of cotton, linen and cellulose fiber as well as cellulose fabrics
2. Whitening of paper pulp
3. Brightening of light tone cellulose fabrics; synthetic detergent
| Products | Dosage |
| Paper-making industry | 0.1~0.3 % on dry pulp |
| Cotton, hemp or cellulose fabric | 0.08~0.3 % |
| Synthetic detergent | no more than 0.05% in washing powder and no more than 0.1% in liquid detergent |
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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