OPTICAL BRIGHTENER AGENT MST

• CAS No.: 55585-28-9
• Color: Light Yellow
• Appearance: Liquid
• Application: Dying Auxiliary
• Transport Package: 25/ 30/60/ 125 Kgs Drum with Pallet
• Origin: China
• HS Code: 32042000

Product Description

TOPWHITE MST

1. Application

Optical brightener agent MST is widely used for cotton or other cellulosic fiber fabrics. When MST is used on continuous pad dyeing process, user can get best effort on whiteness. According to its basic properties and staining method is following.

1. Technical index

Physical Characteristics		Fastness Properties
Chemical Construction:	Styrylbenzene derivative	H2O2:	Stable
Appearance:	Light brown transparent liquid	Reductant:	Stable
Ionicity:	negative	Chlorine:	Unstable
Affinity:	low	Chlorate:	Unstable
Shade:	white with purple light	pH range:	3-12
Storage:	12 months

 

1. Performance features

1. It is widely used for continuous pad dyeing process of cotton and nylon fabric. Low affinity on fiber , no color different. Good performance on levelling property.
2. Good performance on Lifting property, better whiteness.
3. Wide temperature range.
4. Good performance on stability of reducant agent, and hardwater. Acid and alkali resistant (pH=3-12), work with resin finishing  in one-bath. Good whiteness effort when polyelectrolyte exists.
5. It could not be bleached with hypochlorous acid compound

1. Dosage

1. Pad dyeing process

Dosage: MST 4-25g/L
Process: Pad (mangle expression 70%) - drying (110-130ºC)

1. Softening treatment

Dosage: MST-B 5-30g/L  softer (nonionic)  15-30g/L
Process: Pad (mangle expression 70%) - drying (110-130ºC)

1. Notes

1. Please do not use cationic additives with MST at the same time. Because that may cause ion conflict between cation and  anion ( optical brightener agent),  if so, there will be precipitation phenomenon.
2. Metal ions in water will impact the whitening effort of Optical brightener, such as Cu,Fe,Mn,Zn. In this aspect, please use metal chelating agent to remove them in advance.
3. Optical brightener agent should not expose to the sunlight directly.

1. Packing

MST:25KGS/DRUM



Package:
Packing : drums  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.