| 
Optical Brightening Agent 4BK
{Main Chemical Composition}:
Stilbene bistriazine derivative.
{Specifications}:
| Index Name |
Index Demand |
| Appearance |
Light Yellow Even Powder |
| Whitening Strength |
(Compared with Standard Substances)100 |
| Color Shade |
Bluish Purple |
| Water Content |
≤ 5.0% |
| Content of Water- Insoluble Impurities |
≤ 0.5% |
| Fineness ( Residue can pass through 180 µ m-diameter -pore sieve ) |
≤10% |
{Properties}:
This product has high-efficiency fluorescent-whitening effect with slight blue shade, not sensitive to light , with stable chemical performance, good weak acid resistance, p erborate resistance, and hydrogen peroxide resistance
{Applications}:
Applicable to the whitening of cotton fabrics, polyester cotton blended fabrics and to the one-bath whitening of cotton blended fabrics.
{Packing and storing}:
Packed in 25 kg or 50 kg cardboard drums lined with plastic bags, and stored at dark, dry places, avoiding light. |
The information of our products is for reference only. We are not
responsible for any unexpected results or patent dispute caused by
it.
