Product Category
PRODUCTS
Optical Brightening Agent 4BK
| Product Cate | Optical Brightening Agent For Textile and Daily Use |
| Product Name | Optical Brightening Agent 4BK |
| CAS No. | 12768-91-1 |
| C.I. No. | 113 |
| Main Chemical Composition | Stilbene bistriazine derivative |
| Properties | 1) With strong fluorescence, excellent whitening effect and slight bluish shade 2) With high light resistance and chemical stability. 3) Good acid resistance, stable in perborate and hydrogen peroxide. |
| Treating Process | Exhaust process: 0.1-0.8% (o.w.f.), bath ratio: 1:10-30 Temperature 90--100¡ãC¡Á30-40min-wash-dry. The process can be adjusted according to the actual situation. One bath process of Scouring hydrogen peroxide bleaching and whitening: Dosage:0.2-0.8%( o.w.f.) Stabilizer:1-5g/L Scouring agent:0.5-1g/L hydrogen peroxide:5-15/L NaOH:2-4g/L bath ratio:1:10-30 Temperature:90--100¡ãC×30-40min wash dry. The processing can be adjusted according to the actual situation. |
| Package | 25kg 50kg per cardboard drum |
| Technical Index | Appearance:Slight yellow uniform powder Shade: Slight bluish Water:<5% Fineness(120 mesh residue):≤5% |
| Uses | Mainly be used in whitening of cotton fabric and polyester /cotton blends.T/C whitening in one bath. |
