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

Model NO.
VBL
Application
Pretreatment Auxiliary, Textile Printing Auxiliary
Reach
Available
Purity
99%Min
Product Name
Optical Brightener Vbl
Kind
Fixing Agent
Product Catalogue
Optical Brightener/Fluorescent Brightener
Transport Package
Bag, Drum
Specification
1kg/bag; 25kg/drum
Trademark
LD Chemical
Origin
Changsha, Hunan
HS Code
32042000
Production Capacity
60-80mt/Month
Reference Price
$ 25.11 - 27.90
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Product Description

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

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 ~100 ºC , Na 2 SO 4 : 0 - 10g/L, heating rate:  1-2   ºC /min  keep the temperature at 50 -100 ºC  for 20 - 40min , then lower to 50 - 30 ºC →wash→dry(100 ºC ) →setting(120 ºC -150 ºC ) × 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(100 ºC ) → setting(120-150 ºC )   × 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.

 

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

 

 
Packaging & Shipping

 

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

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

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

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.
 


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

 

Chemical Auxiliary

PNEUTEC.IT, 2023