TOPWHITE Fluorescent Whitening Agent 4BK/Optical Brightener/Brightening agent/Fluorescent brightener/Fluorescent brightener/OBA/For cotton fabric
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Product Details
| Customization: | Available |
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| Color: | Light Yellow |
| Appearance: | Powder |
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Basic Info.
- Transport Package
- 25kg New Carton Box
- Origin
- China
- HS Code
- 32042000
Product Description
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.
5With good solubility in water.
III.PROCESS Method
1.Normal cotton whitenning exhaust process
Dosage: FWA 4BK 0.2-0.6% o.w.f 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 (30%):1-4g/L
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.
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.
5With good solubility in water.
III.PROCESS Method
1.Normal cotton whitenning exhaust process
Dosage: FWA 4BK 0.2-0.6% o.w.f 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 (30%):1-4g/L
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.
Package:
Packing : 25kgs new carton box with pallet
Maximum order quantity of 20'FCL : 12.6MT
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.
Certificate:
Our products' quality has been approved by ISO9001 quality management system, OKEO-TEX, GOTS,etc.
Market:
Our partners all around the world.
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