01.Product Description

 

Product Name	Optical Brightener Agent
MF	C40H40N12Na4O16S4
CAS No.	7128-64-5
EINECS No.	216-245-3
Type	KB-C
Propertise	1.Excellent fluorescence intensity , brightening and whitening. 2.Excellent thermal stability ,melting point up to 300℃in application. 3.Excellent compatibility with PVC and other polar polymers, migration endurance, 4.Resistance to become yellow.

  

 

02.Specification

 

Item	Indices
Appearance	Solid Powder
Shade	Light Yellow
Color	Light Red
Melting point	≥300℃
Available Content	≥98%
Content of water-insoluble impurities	≤ 0.5%
Fineness (residual content passed through 250μm-pore sieve)	More than 200meshes

 

  

       

03.Application

 

 

 

It is particularly applicable to whiten hard & soft PVC products such as section bar, pipe, cable &wires as well as

styrene plastic like PS, ABS etc..

 

 

04.Package

 

1. Recommended dosage: PVC 0.01~0.03%       PS.ABS 0.01~0.03%

2. Package: 2KG*5carton or 20KG barrel

3. Storage: Keep in shady drying and away from light place

4. Shelf Life: 24 months

5. Attentions: All technical indexes and our recommendation of the application fields are based on our present

knowledge and understanding of this product. Relevant experiments are essential to be made before it is applied

into practice.Please contact us if you have any technical or application problem.

 

 

 

 

05.About Us