Zhejiang, China
Business Type:
Manufacturer/Factory
Business Range:
Chemicals, Textile
Export Year:
1999-02-05
Main Markets:
South America, Southeast Asia, Mid East
Average Lead Time:
Peak season lead time: within 15 workdays
Off season lead time: within 15 workdays
Sample Available

Brightener, Whitening agent, brightening agent manufacturer / supplier in China, offering Optical Brightening Agent/Optical Brightener/OBA 4BK (Textile Chemicals, Textile Auxiliary), Sylic® Softener Flake 9004 Textile Chemicals/Fabric Softener Flakes/Finishing Agent/Cationic, Sylic® Dimethyl Silicone Oil 100 350 1000cst for Textile (Textile Auxiliaries/ Release agent/Architecture/Car spray/PDMS) and so on.

Gold Member Since 2012
Audited Supplier
Supplier Homepage Products OBA Optical Brightening Agent/Optical Brightener/OBA 4BK (Textile Chemicals, Textile Auxiliary)

Optical Brightening Agent/Optical Brightener/OBA 4BK (Textile Chemicals, Textile Auxiliary)

Min. Order: 25 kg
Port: Shanghai, China
Transport Package: 25KG new carton box
Payment Terms: L/C, T/T, D/P
Color: Light Yellow
Appearance: Powder
Origin: China

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Basic Info.

HS Code
32042000
                      Fluorescent Whitening Agent 4BK

I.PROPERTY
Appearance:  Gray-greenish  powder
Ionicity:  Anion
Chemical structure:  Stilbene derivatives
Shade:  Bluish/Reddish/violetish shade
Counter quality: Synowhite 4BK(KISCO)

II.APPLICATION
   1.With blue white shade for collulosic fibers,polyamide and their blends.
   2.With Highly appropriate for exhaust process.
   3.With excellent washfastness and very high bath exhaustion.
   4.With high and brilliant white maximum.
   5.With good stabile to alkalis,peroxide,and electrolyte.
   6. With good solubility in water.
      
III.PROCESS Method
1.Normal cotton whitenning exhaust process
   Dosage:  FWA 4BK  0.2-0.6% o.w.f       Sodium sulfate:5-10g/L
   Temperature×time:80-100ºC×20-30mins  Liquor rate:1:10-20
2.With peroxide bleaching for cotton exhaust process
   Dosage:FWA  4BK  0.2-0.6% o.w.f        Sodium hydroxide(30%):1-4g/L
   Hydrogen peroxide(35%):4-8g/L  Sodium silicate: 2-5g/L  
   Dertergent:0.5-1g/L            Stabilizer:0.1-0.5g/L
   Temperature×time:100ºC×30-45mins  Liquor rate:1:10-20
3. Continuous Process
   Dosage:FWA 4BK  1-4g/L
   Padding:Liquor pick-up 70-80%  Temperature×time:below 160ºC×20-30sec.

IV.PACKING AND STORAGE
   1. 25KG carton box or according to customer request.
   2. Be stable for 5 years when properly stored in closed container at 20ºC.

Optical Brightening Agent/Optical Brightener/OBA 4BK (Textile Chemicals, Textile Auxiliary)

Package:
Packing : 25kgs new carton box with pallet               
Maximum order quantity of 20'FCL : 12.6MT 

Optical Brightening Agent/Optical Brightener/OBA 4BK (Textile Chemicals, Textile Auxiliary)

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

Optical Brightening Agent/Optical Brightener/OBA 4BK (Textile Chemicals, Textile Auxiliary)

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.
 
Certificate:
Our products' quality has been approved by ISO9001 quality management system, OKEO-TEX, GOTS,etc.

Optical Brightening Agent/Optical Brightener/OBA 4BK (Textile Chemicals, Textile Auxiliary)

Market:
Our partners all around the world.
Optical Brightening Agent/Optical Brightener/OBA 4BK (Textile Chemicals, Textile Auxiliary)

 

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