Gold Member Since 2016
Audited Supplier
Shanghai Linebon Fine Chemical Co., Ltd.

Optical Brightener, Chemical, Oba manufacturer / supplier in China, offering Optical Brightening Agent 4bk 28 for Textile, Fluorescent Brightening Agent Er-2 C. I. 199 CAS 13001-38-2 for Plastic, CAS 27344-41-8 CBS-X for Washing Fluorescent Whitening Optical Brightener and so on.

(/ )

Supplier Homepage Product Optical brightener textile industry Optical Brightening Agent 4bk 28 for Textile

Optical Brightening Agent 4bk 28 for Textile

FOB Price: US $2.4-2.7 / kilogram
Min. Order: 100 kilogram
Min. Order FOB Price
100 kilogram US $2.4-2.7/ kilogram
Get Latest Price
Production Capacity: 500tons/Year
Transport Package: Drum/Plastic Bag
Payment Terms: L/C, T/T, Western Union

Request a custom order and have something just for you!

Send Customized Request
Basic Info
  • Model NO.: 4BK 28
  • Color: Light Yellow
  • Appearance: Powder
  • Ionicity: Anionic
  • Specification: SGS
  • Certification: SGS
  • Kind: Textile Brightener
  • Application: Dying Auxiliary, Textile Auxiliary
  • Trademark: linebon
  • Origin: China
Product Description

optical brightener 4BK for textile
C.I.87  cas 12768-91-1

Main Ingredients: stilbene triazine type

The maximum UV absorption wavelength: 350 nm


Light yellow powder



Water insoluble






High whiteness and brightness. Shade can be shift to red, blue, violet according to clients' request. stable chemical properties.
Excellent fastness to acid perborate and peroxide.

For whitening of cotton and cotton/polyester fabrics.


Exhaust dyeing method 
Rate of use: 0.1-0.8%(o.w.f), bath ratio: 1:10-30
Process: 90-100°C×30-40min→wash→bake.
One-bath method 
Rate of use: 0.2-0.8%(o.w.f), hydrogen peroxide: 5-15g/L
Bleaching assistant: 0.5-2g/L, NaOH: 1-5g/L
Scouring agent:0.5-1g/L, bath ratio: 1:10-30
Process: 90-100°C×30-40min→wash→bake.

Packaging & Storage: 
25kg or 50kg iron drum or paper drum lined in plastic bag, transport as non-hazardous.


Why us :
1. High quality under strict QC/QA system with GMP factory price and best service.
2. Fast and safe delivery with secure and discreet shipment.

3. Double check before delivery to make sure correct.

4. Third-party Inspection
5. Providing complete services with our resource integration, we can thus create more competitive advantages for you!

Thank you for ordering and hope you enjoy your purchase here. Your comments are always welcomed and very important in our long-term business corporation.

FREE SAMPLES can be sent for your evaluation!
Contact me now for further business :-)

Our factory

Optical Brightening Agent 4bk 28 for Textile


Optical Brightening Agent 4bk 28 for Textile

Send your message to this supplier
Mrs. Helena Zhu
To: Mrs. Helena Zhu

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now

Find Similar Products By Category