Optical brightener KSN


Optical brightener KSN

Molecular formula: C29H20N2O2
Molecular weight: 428.4813
Molecular Structure:
CAS#: 5242-49-9
EINECS#: 226-044-2
1.Main Ingredients:benzoxazole deravatives
   Appearance                 yellow green powder
   Melting Point(Deg)                    300min
   Ash Content,%                          0.5max
   Ingredients,%                            98.0miin
   Volatile Matter,%                       0.5max
   Fineness                                 300mesh
3.performance Features
    1. Good fluorescence intensity and fairly sound brightening effect with 
a very small quantity.
    2 .Widely applicability to the brightening of such chemical fibers as polyester
 and all kinds of plastics 
    3. Carries fine compatibility with plastics and good thermal resistance.
4.Scope of Application
   1.Goes for the processing of polyester, nylon fiber and terylen chemical fiber.
   2.Especially goes for such engineering plastic at high temperature as 
PET, PBT, PC, ABS, and PA.
   3.Also goes for general plastics like PVC, PE, PS, PP, EVA, etc with a very 
small quantity of less than 0.01%
5.Application Methods
     Recommended quantity: to put 20-300g brightening agents of KSN in every 
1000kg raw material.
    1.To put 5-20g into transparent plastics.
    2.To put 100-200g into polyester fibers.
     Packed in 10kg×1 iron buckets,5kg×2 iron buckets or 1kg×10 paper boxes



packing & Delivery

Product packaging

We have cooperated with experienced shipping forwarders for many years, they arrange the shipment. No matter by express, by air or by sea, we will track the course of the goods all the way, to make sure goods arrive at you on time and in good condition.

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