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Optical Brightener 4BK Optical Brightening Agent 4BK Whitening Agent for Cotton Fabric

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Shijiazhuang Taicang New Materials Co., Ltd.
[China]

Address
Zhengding County, Shijiazhuang City Shijiazhuang Hebei
Phone
86-0311-89197581
Contact name
Will Leung

Quick Information

  • Place of Origin: China
  • :

Description

optical brightener 4BK

Optical brightener 4BK suitable for: Cotton,Chinlon,viscose,T/C,T/R,Viscose,Wool,Silk. Optical brightener 4BK can be dissolved in warm water, And good compatibility with most chemical agents used in dyeing and finishingoptical brightener 4BK used in One-bath dyeing.

Shijiazhuang Taicang New Materials Co., Ltd. is a technology innovation and environmental protection enterprise integration of research, production and sales series of Optical Brightener  and Chemical Auxiliary .

BA  powder ,optical brighteners in textiles,Fluorescent Brightener BBU ,cotton fiber dyeing,whitening agent 127 ,Fluorescent Brightener Agent 199,Fluorescent dyestuff .


optical brightener 4BK

other name: optical brightener 113, fluorescent brightener 4BK, fluorescent whitener 4BK

This item optical brightener 4BK suitable for: CottonChinlonviscoseT/CT/RViscoseWoolSilk. optical brightener 4BK can be dissolved in warm water, And good compatibility with most chemical agents used in dyeing and finishingoptical brightener 4BK used in One-bath dyeing.

fluorescent brightener powder

Physical characteristics

Fastness properties

chemical onstruction

Stilbene derivative

H2O2

Stable

appearance

Light gray powder

reductant

Stable

ionicity

Negative

chlorine

Unstable

affinity

High

chlorate

Unstable

fluorescent colors

Blue-violet light

PH scope

6-11

solubility

100 g/l @60℃

storage

24 Month

 

Fastness properties

 

 

CottonViscose

Chinlon

WoolSilk

fastness to light

 

3-4

3

2

washing fastness

40℃

5

5

5

 

60℃

5

5

*

 

95℃

4-5

*

*

chlorine fastness

 

4

*

*

perspiration fastness

Acidic

5

4-5

4

 

Alkalinity

5

4-5

4

heat fastness

180℃/30s210℃/30s

5

4

*

dry cleaning fastness

 

5

5

5

The above data in accordance with the ISO standard for testing

 

Application method

CottonCellulose

 

 

 

dipping process

 

Padding process

 

4BK

0.1-0.3 % o.w.f

4BK

0.5-2  g/l

H2O235%

8-14  ml/l

H2O235%

8-20  ml/l

sodium hydroxid100%

1-3  g/l

sodium hydroxid100%

3  g/l

scouring agent TC-QY90

2-4  g/l

scouring agent TC-QY90

2-4  g/l

bath ratio

15-10

Fabric pad working liquid→steaming100℃/50 minute→wash

No bleach

40-80℃/15-30 minute

Add bleach

95-80℃/30-60 minute

 

Notes:

1. Do not use cationic additives. Because may cause conflict with anionic fluorescent whitening agent.

2. Water containing metal ions, such as: CuFeMnZnwill affect the whitening effect of OBA. For this aspect, Can use metal ion chelating agent to remove in advance.

3. Do not exposed to the sun after dissolution.

4. optical brightener 4BK has good fastness to H2O2, so with H2O2 bleaching and fluorescent whitening treatment can be in the same dye bath.

5. optical brightener 4BK is a kind of fluorescent dyes with excellent whitening effectOnly use appropriate amount is enough to show whitening effect. If use too much will appear extinction phenomenon.

6. optical brightener 4BK dyeing speed is fast, dye uniformity and compatibility is good, so room temperature bath without additives can dyeing

7. If used in the dye bath containing sodium chlorite, will effect the whitening effect, so need to remove chlorine fully before use 4BK.

Packing method       

In 25kg cardboard drum.

As A fluorescent whitener powder manufacturer , We Can Wholesale You Fluorescent Brightener Agent 199, Er Fluorescent Brightener Agent, Oba Mst. Fluorescent Powder Reactive Can Be Used For Textile Dyes. If You Need, Please Contact Us.


Price

  • Delivery Port : TianjinXingang

Packaging & Delivery

  • Packing :Asrequired
  • Delivery Lead Time : 10days

Product Image

  • Optical Brightener 4BK Optical Brightening Agent 4BK Whitening Agent for Cotton Fabric image

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