The reaction percentage of this matting agent with TGIC is 20 : 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

40 - 50 %

-

4

30 - 40 %

-

5

20 - 30 %

-

> 5

Is Not recommended

dosage more than 5% is not recommended

 
For example, if it is intended to achieve (20 to 30%) gloss in a formulation with TGIC polyester resin, bellow steps should be taken:  
  • 1- Total amount of resin: 60 Wt%
  • 2- Dosage of matting agent: 5% (according to desired gloss)
  • 3- Type of resin: 93/7 polyester resin (SJ 4ET))
  • 4-Due to the fact that this matting agent reacts with TGIC the TGIC in the formulation should be increased by one unit for every 10 unit of the matting agent.

    • 5- Calculated total amount of resin is 55.8% (60*0.93 = 55.8).
    • 6- Therefore, the total amount of TGIC will be 4.7
    • (4.2 + 0.5 Reaction with matting agent = 4.7)
     
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