Fluorescent Brightener Vbl C. I. 85 Fba for Paper and Cotton

• Customization: Available
• CAS No.: 12224-06-5
• Formula: C36h34n12na2o8s2
• Model NO.: VBL
• 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 Vbl
• 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

Fluorscent Brightener VBL

C.I.85
Chemical name: stibene derivative
Specification: Appearance: Slight yellow powder
              Fluorescent color: Similar to the standard sample
Whitening Strength: 100±3%
Moisture: 6% (max)
Fineness (80 mesh residue): 5% (max)
C.I.Number: 85
Property: 1.with bluish violet color
         2.Soluble in soft water as much as 80 times weight, 300ppm in hard water.
         3.Anionic types, alkali endurable, can be used in one bath of anionic and nonionic surfactant.
         4.To be unendurable ion of copper and iron, etc. Unsuitable to be used in cationic dyestuff and surfactant.
Application: 1. Whitening agent for cellulose base fiber and cotton fabric.
            2. Whitening agent for white pattern in discharge printing of cotton fabric.
            3. Brightening agent for light colored cellulose base fiber.

Process:

exhausting whitening process: 0.05 - 0.3%(O.W.F.), bath ratio: 1:5 - 1:30, temperature: 40 ~100ºC, Na₂SO₄: 0 - 10g/L, heating rate: 1-2 ºC/min keep the temperature at 50 -100ºC for 20 - 40min , then lower to 50 - 30ºC→wash→dry(100ºC) →setting(120ºC-150ºC)×1-2min(add proper amount leveling agent according to the leveling effect).
Padding Process: VBL:0.5-3g/L, residue liquor ration: 100%, one dip and nip →dry(100ºC) → setting(120-150ºC) ×1-2min.
* The information of our products is for reference only. We are not responsible for any unexpected results, or patent dispute caused by it.

 

 

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.