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Εταιρικές υποθέσεις Pearlescent Pigment Test for Aerosol Spray Paint

Pearlescent Pigment Test for Aerosol Spray Paint

2026-04-16
Latest company cases about Pearlescent Pigment Test for Aerosol Spray Paint
τελευταία εταιρεία περί Pearlescent Pigment Test for Aerosol Spray Paint  0 Ezhou Anjeka Technology Co., Ltd.
Professional Additives Manufacturer
Experiment Record Sheet
Test Name Pearlescent Pigment Test for Aerosol Spray Paint Temperature / Humidity 14/87
Client   Applicant Mr. Feng Test Date: 26.4.8    

Objective:

The customer requires the pearlescent paint to be thinned to spray viscosity, and to resolve the issues of pearlescent pigment settling and orientation during spraying. Two resin samples from the customer were used, with xylene as the test solvent.

Test Formulations
①#522 Pearlescent Pigment 8 ②#522Pearlescent Pigment 8 ③#522Pearlescent Pigment 8 ④#522Pearlescent Pigment 8
Xylene 8 Xylene 8 Xylene 8 Xylene 8
6110 0.6 6110 0.6 6110 0.6 6110 0.6
MD-50 Resin 30 4054 Resin 30 MD-50 Resin 30 4054 Resin 30
4340A 10 4340A 10 4330 10 4330 10
30%4320-20 3 30% 4320-20 3 30% 4320-20 3 30%4320-20 3
7331 0.05 7331 0.05 7331 0.05 7331 0.05
Xylene 40.35 Xylene 40.35 Xylene 40.35 Xylene 40.35
  100   100   100   100
30% 4320-20              
Resin 70            
4320-20 30            
  100            
Test Method:

Step 1:
Add items 7–9 (pearlescent pigment, solvent, and dispersant 6110) and stir at 500 rpm until no obvious large particles remain.

Step 2:
Disperse items 10–14 at 800–1200 rpm (high-speed dispersion) until fineness < 15 μm. Then add the dispersed mixture into the pre-dissolved pearlescent pigment slurry, and mix at 500 rpm (low speed) until uniform. Do not exceed 500 rpm, as excessive speed may damage the pearlescent pigment platelet structure. Then proceed to comparative testing.

Step 3:
For the 30% 4320-20 anti-settling wax paste: pre-mix it with resin, then disperse at 800–1200 rpm for 8–15 minutes until fineness < 15 μm. This wax paste can be prepared in advance.

Test Results:

Working paint viscosity: 16–17 seconds (Ford cup / applicable standard)

 
Before Storage     After 5 Days at Ambient Temperature        
τελευταία εταιρεία περί Pearlescent Pigment Test for Aerosol Spray Paint  1     τελευταία εταιρεία περί Pearlescent Pigment Test for Aerosol Spray Paint  2        
 
 
After 5 Days at 55°C (Hot Storage) τελευταία εταιρεία περί Pearlescent Pigment Test for Aerosol Spray Paint  3 τελευταία εταιρεία περί Pearlescent Pigment Test for Aerosol Spray Paint  4 τελευταία εταιρεία περί Pearlescent Pigment Test for Aerosol Spray Paint  5τελευταία εταιρεία περί Pearlescent Pigment Test for Aerosol Spray Paint  6        
 

Observation:

No separation after 5 days at ambient temperature.

Slight soft sedimentation after 5 days at 55°C (hot storage).

These four options can be recommended to the customer. Pearlescent pigment orientation after spray application is acceptable.

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