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Efficiency and quality upgrade: the five core competitiveness of metallic pigment dispersants

2025-05-19

Efficiency and quality upgrade: the five core competitiveness of metallic pigment dispersants

Metallic pigment dispersants have significant advantages in improving the application performance of metallic 

pigments. The following is a detailed summary of their core advantages:


1. Improve dispersion stability

Prevent agglomeration: Metallic pigments (such as aluminum powder, copper powder, etc.) have small particles 

and high surface energy, and are prone to agglomeration. Metallic pigment dispersants adsorb on the surface of 

pigment particles to form a protective film, produce steric hindrance effect or electrostatic repulsion, effectively 

prevent the pigment particles from approaching and agglomerating each other, and keep the pigments in a 

uniformly dispersed state in the system.


Long-term stability: Dispersants can enhance the compatibility between pigment particles and the matrix, reduce 

the sedimentation and stratification of pigments during storage and use, and ensure that the product maintains 

stable performance and appearance for a long time.


2. Enhance gloss and decorativeness

Uniform distribution: 

Good dispersibility allows metallic pigments to be evenly distributed in systems such as coatings, inks or plastics 

to form a continuous and dense metallic gloss layer. When light shines on the surface of the product, it can produce 

a uniform and bright reflection effect, greatly improving the gloss and glittering effect of the product, and enhancing 

the visual appeal and decorativeness of the product.


Bright colors: Dispersants help metallic pigments to fully display their own color characteristics, making the color of 

the product more vivid and full, meeting the needs of different customers for color and appearance effects.


3. Improve processing performance

Reduce viscosity: In coatings, inks and other systems, the agglomeration of metallic pigments will lead to increased 

system viscosity, affecting the fluidity and construction performance during processing. Metallic pigment dispersants 

can effectively reduce the viscosity of the system, so that the product has good fluidity, which is convenient for 

processing operations such as brushing, spraying, and printing, and improves production efficiency.


Improve spraying uniformity: In the spraying process, well-dispersed metallic pigments can be evenly sprayed from 

the spray gun to form a coating with uniform thickness, avoiding defects such as sagging and orange peel, and 

ensuring the consistency of product quality.


4. Improve product performance

Enhance adhesion: Metallic pigment dispersants can improve the bonding force between pigment particles and 

substrates, make the coating or printing layer better adhere to the surface of the substrate, improve the wear 

resistance, scratch resistance and weather resistance of the product, and extend the service life of the product.


Improve chemical resistance: Dispersants help to form a dense coating structure, reduce the erosion of external 

chemicals (such as acids, alkalis, salts, etc.) on the product, improve the chemical corrosion resistance of the 

product, and are suitable for various harsh environments.


5. Reduce costs

Reduce the amount of pigment: Since dispersants can improve the dispersion efficiency of metallic pigments 

and enable pigments to play a better coloring and decorative effect in the system, the amount of pigment can be 

appropriately reduced to reduce production costs while achieving the same appearance effect.


Improve production efficiency: Good dispersion performance can reduce rework and scrap rates during 

processing, improve production efficiency, and further reduce production costs.