中文

Home > Products > Paper Chemicals > Dye

ZHEJIANG TRANSFAR WHYYON CHEMICAL COMPANY TECHNICAL Products

Dye » Blue BN

Physical Chemical Properties: Appearance:violet liquid
Viscosity(25℃,mPa﹒S):≤100
pH Value:7.5-9.5
Ion:anion
Light fastness:3 Xenotest
Performance Features: 1. It has good affinity with fiber and filler. Its FPR is high.
2. It has good carrier with sizing agent.
3. It offers high CIE whiteness for paper.
4. It has better tolerance for calcium ion and magnesium ion comparing with the same kind products.
Scope of Application: 1. It can be used in the process of white paper with rosin or AKD internal sizing. It can be used in the process of color paper as well.
2. It can be used in the process of tissue paper.
3. The best pH value of wet end is between 4.5 and 9.5 when the product is used.
Application Methods: 1. It should be diluted to 1/100 or 1/1000 before it is added into stock. The condensation water or white water can be used as dilution water.
2. It can be continuously added into the places such as stuff chest or the intake of fan pump etc with metering pump, and should be kept a distance from the adding position of cationic agent. But the adding position should be ahead of the adding position of internal sizing agent.
3. It can be used with violet direct dye in the process of white paper for improving CIE whiteness. The usual dosage is between 50 to 300 ppm.
Packing Storage: It is packed in 50kg plastic tanks. It is stored at cool, shady and dry places with the protection from light.
Attentions: 1. The product data is for reference only. If you have any technical or usage problems, please call us.
2. The oral or written technical suggestions offered by our company are all sincere. But the consumers have the responsibility to experiment with our products to judge whether they are suitable for the present process. As the process for using the products is beyond our control, the consumers will take the consequences.

FAQ