The reaction percentage of this matting agent with Epoxy Resin is 2 : 1.

Step 1: Specify the amount of resin used in the formula (typically 50% to 60%)  

Step 2: Select the gloss range you need according to the table below  

Step 3: View the suggested XG610B Matting Formula by changing the suggested gloss range in the calculator list below.  

This matting agent is suitable for 5-25% gloss.  

The table below is not certain, the degree of certain gloss also depends on the resin.

 

(The epoxy equivalent should be in the range of 750 - 800. Gloss will change according to the epoxy equivalent).  

Dosage

Gloss range

Description

< 3

Is not recommended

dosage less than 3% is not recommended

3

%15-25

-

4

%5-15

-

5

> %5

-

> 5

Is not recommended

dosage more than 5% is not recommended

 
For example, if it is intended to achieve (5 to 15%) gloss in a formulation with Hybrid Polyester Resin (60-40), bellow steps should be taken:
  • 1-Total amount of resin: 60 Wt%
  • 2- Dosage of matting agent: 4% (according to desired gloss)
  • 3-Type of resin: 60/40 polyester resin ( SJ 5 A)
  • 4- Consider 8 units of epoxy to react with 4 units of matting agent
  • 5- The remaining amount of total resin is 52% (60-8=52)
  • 6- Residual amount of polyester and epoxy resin will be 31.2 and 20.8, respectively.
  • 7- Therefore, the total amount of epoxy 8.28% <(28.8% = 8% reaction with matting agent + 20.8%).

 
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