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Company Cases About Comparison of Dispersants 6622 and 4310 for Color Development

Comparison of Dispersants 6622 and 4310 for Color Development

2026-01-07
Latest company cases about Comparison of Dispersants 6622 and 4310 for Color Development
Test record sheet
Test name Comparison of Dispersants 6622 and 4310 for Color Development temperature/humidity  
Customer refinish coatings Conducted by Feng Test Date Dec.26 2025    
Objective: The customer requests that the color difference between the sprayed sample and the baked sample be minimized
Color paste formulation
         
1K5118 resin 50   1K5118 resin 40   1K5118 resin 30
Standard mixed solvent 30   Standard mixed solvent 30   Standard mixed solvent 52
6622/4310 10   6062A 10   6062A 6
F255 carbon black 10   15:1Blue 20   Permanent Violet 11
               
Procedure
Prepare black paste, blue paste, and purple paste using different dispersants according to the steps.

Test Results:

1.Color Development of the Mass Tone Paste

2.Color Development in CAB-based Medium (2:1 Let-down Ratio)

3.Color Development in Aluminum Paste Medium (3:1 Let-down Ratio)
 
  Fineness um Viscosity S          
6622 black paste ＜10 913.2          
4310 black paste ＜10 745          
               
latest company case about Comparison of Dispersants 6622 and 4310 for Color Development 0 latest company case about Comparison of Dispersants 6622 and 4310 for Color Development 1latest company case about Comparison of Dispersants 6622 and 4310 for Color Development 2
 

Conclusion:

The color paste prepared with Anjeka6622 exhibited the blackest mass tone.

In CAB-based coatings, formulation with 4310 produced the blackest film.

For aluminum paint without a topcoat, the 4310 base also appeared the blackest.

However, after applying a clear coat, the film based on 6622 became the blackest.

The third image illustrates this shift: the upper section (without clear coat) and the lower section (with clear coat) demonstrate the change in blackness dominance between the two systems.
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