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Optical Brightening Agent

Optical Brightening Agent

Short Description:

The product is readily soluble in water, acid-resistant, alkali-resistant, and has muchbetter whitening effect than VBL at pH 4.5-7. Belonging to anionic type, it can be used in the one bath with anionic or honionic surfactant.

CAS: 12768-92-2


Product Detail

Product Tags

Specifications

Appearance
light yellow uniform powder
E-Value
545±10
Whitening strength
100±1
Moisture content
≤ 5%
Content of water-insoluble impurities
≤0.2%
Fineness (residual content passed through 180μm-pore sieve )
≤10%

Applications

Mainly applied to whiten paper pulp, surface sizing, coating, and also applied to whiten cotton,linen and cellulose fiber as well as cellulose fabrics, and to brighten light-colored cellulose fabrics.

Usage method

1.Being used in paper-making industry, add them into the paper pulp, coating solvent and surface gluing solvent after dissolving with the 20 times water.

usual dosage: 0.1-0.3% on drypulp or dry dope. 2. When whitening of the cotton, hemp or cellulose, directly adding the fluorescent brightener dissolved with water into the dye vat, the dosage:0.08-0.3%, bath ratio:1:20-40, the dying temperature:60-1007.

Package and storage

Packed in cardboard bucket, kraft bag or PE bag. Net weight 25kg.

Should be stored in cool, dry and ventilate place, and storage period should not exceed 2 years.
p29
p31
p30

FAQ

Q1: How can I get a sample?
A: We could provide small amount free samples to you. Please provide your courier account (Fedex ,DHL ACCOUNT) for sample arrangement. Or you can pay it though Alibaba by your credit card, no extra bank charges

Q2. How to know the exact price for this product?
A: Provide your email address or any other contact details. We will reply you a latest and exact price immediately.

Q3: How can I make payment safe?
A: We are Trade Assurance supplier, Trade Assurance protects online orders when payment is made through Alibaba.com.

Q4: What is about the delivery time?
A: Usually we will arrange the shipment within 7 -15 days after advance payment..

Q5: How can you ensure the quality ?
A: We have our own complete quality management system, before loading we will test all batches of the chemicals. Our product quality is well recognized by many markets.

Q6: What is your payment term?
A: T/T, L/C, D/P etc. we can discuss to get an agreement together

Q7:How to use decoloring agent?
A:The best method is to use it together with PAC+PAM, which has the lowest processing cost. The detailed guidence is avalible,welcome to contact us.


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