Optical Brightener Ba for Paper Pulp Coating Whitening

• Customization: Available
• CAS No.: 12768-92-2
• Formula: C40h42n12o10s2na2
• Model NO.: BA
• EINECS: 216-245-3
• Appearance: Powder
• Usage: Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Leather Auxiliary Agents
• Color: Yellow
• Product Catalogue: Optical Brightener/Fluorescent Brightener
• Product Name: Optical Brightener Dbh
• Kind: Fixing Agent
• Application: Pretreatment Auxiliary, Textile Printing Auxiliary
• Purity: 99%Min
• Reach: Available
• Transport Package: Bag, Drum
• Specification: 1kg/bag; 25kg/drum
• Trademark: LD Chemical
• Origin: Changsha, Hunan
• HS Code: 32042000
• Production Capacity: 60-80mt/Month

Product Description

Product Description

 

Optical brightener BA for Paper Pulp Coating

MOLECULAR FORMULA: C₄₀H₄₂N₁₂O₁₀S₂Na₂
MOLECULAR WEIGHT: 960.95 (As International relative Atom Mass 1991)
MAX UV ABSORPTION SPECTRUM: 348 nm
EXCUTIVE STANDARD: HG/T3990-2007
SPECIFICATIONS:

ITEM	INDEX
Appearance	Light yellow uniform powder
Fluorescent Strenghth (equivalent to the standard sample)	350±10
Color Shade	Similar to Slightly Different
Moisture content	≤ 5%
Content of water-insoluble impurities	≤0.5%
Fineness (residual content passed through 180μm-pore sieve )	≤10%

PROPERTY:
    The product is readily soluble in water, acid-resistant, alkali-resistant, and has much better whitening effect than VBL at pH 4.5-7. Belonging to anionic type, it can be used in the one bath with anionic or nonionic surfactants.
APPLICATION:
 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:
    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 dry pulp 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:60-100ºC.
PACKAGE: Packed in cardboard bucket or plastic coating paper sack after being packed in plastic bag either 25 Kg or 50 Kg per bucket or sack.
TRANSPORTAION: Should be handle carefully, avoid sunlight and moisture.
STORAGE: Should be stored in cool, dry and ventilate place, and storage peroid should not exceed 2 years.






  

 

Packaging & Shipping

 

Package: 25KG bag/cardboard drums are packed in double lined bags for Manufacturer supply Optical Brightener 4BK fluorescent dyes for cotton

Shipment:
Whether you have your own freight-forwarder or  you would like us to organize shipment ; whether you
require delivery FOB to a port in China or CIF to a port near you,we are happy to quote and supply whichever
way you choose. Please feel free to discuss all options with us . 
Our delivery time : Within 20days after got T/T or L/C bank copy



Payment:
We support a variety of payment terms like T/T, L/C at sight, DP, C.A.D etc. If customers need forward
payment term like T/T 30 days or L/C 60 days, we will also try to meet their demand based on customers'
reputation and consumption.