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Application of a Modified Polyurea Thixotrope in High-Gloss Aluminum Paint

2026-01-15

Application of a Modified Polyurea Thixotrope in High-Gloss Aluminum Paint

Lacquer formula
Raw material	Amount	Remark
2057 Dispersion	72.5（%）	Wanhua
327 Amino Resin	6	Allnex
BYK-8421	3	BYK
Anjeka-4420	2	Anjeka

Aluminum Paint (Silver Paint) Formulation
Raw material	Amount	Remark
Clear Base	90（%）	Wanhua
50% Passivated 9100	6	Aluminum Paint
50% Passivated 9105	3	Aluminum Paint

Procedure

1.Paint Preparation: Dilute the original paint with 10% water (by volume).

2.Spray Application on Substrate: Using the same substrate, apply the paint with a spray gun using the following pattern:

Horizontal passes: 6 passes.

Vertical passes: 4 passes (over the same wet area, creating a heavy film build).

3.Multi-Round Evaluation (3 Rounds):

Round 1: Spray 2 overlapping cross-coats (one horizontal + one vertical pass set).

Round 2: Spray 3 overlapping cross-coats.

Round 3: Spray 4 overlapping cross-coats.

4.Fluid Adjustment Between Rounds: After completing each round, increase the fluid delivery (material output) of the spray gun by approximately half a turn.

5.Constant Parameters During Each Round: Within each round, do not adjust the fluid flow rate, air pressure, or atomization settings of the spray gun.

Purpose: This method evaluates the paint's sag resistance under increasing film thickness and material output, simulating potential application errors or heavy builds.

Conclusion

Anjeka 4420 demonstrates superior application characteristics in spray operations:

Excellent Atomization: Provides finer mist and reduced overspray compared to other thixotropes at equivalent viscosity.

Smooth Application: Results in a quieter spray process with less paint mist.

Enhanced Metallic Effect: Promotes superior aluminum flake orientation and alignment.

Balanced Performance: Maintains good sag resistance without negatively affecting gloss or recoatability.

High-Gloss Finish: Achieves gloss values of up to 121 GU (at 60°) and 75 GU (at 20°).

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Agente dispersor polimérico

Agente dispersor del pigmento

Dispersión de nanopartículas

Agente dispersor de la pintura

Agente humectante y dispersor

Dispersante de pigmentos en el agua

Agente de nivelación

Agente de liquidación

Agente tixotropo

Aditivo desespumante

Promotor de la adhesión

Dispersante de uso general

Aditivos de pintura a base de agua

Aditivos de pintura a base de aceite

Dispersión de cera de polietileno

Agente dispersor polimérico

Agente dispersor del pigmento

Dispersión de nanopartículas

Agente dispersor de la pintura

Agente humectante y dispersor

Dispersante de pigmentos en el agua

Agente de nivelación

Agente de liquidación

Agente tixotropo

Aditivo desespumante

Promotor de la adhesión

Dispersante de uso general

Aditivos de pintura a base de agua

Aditivos de pintura a base de aceite

Dispersión de cera de polietileno

Application of a Modified Polyurea Thixotrope in High-Gloss Aluminum Paint

Noticias

Casos de trabajo

Agente dispersor polimérico

Agente dispersor del pigmento

Dispersión de nanopartículas

Agente dispersor de la pintura

Agente humectante y dispersor

Dispersante de pigmentos en el agua