颜料的选择

Performances of paint are deeply linked to properties of used pigments.

Crystal structure, particle size and shape, dispersion and hardness are the mainly important properties that need to be taken into account to obtain required performances.

Once the desired pigment is identified, the next step consists in establishing the right binder and the concentration which can be determined by two different concepts: the pigment volume concentration (PVC) or pigment to binder ratio (P:B).

Finally, the maximum price that can be tolerated for improved performance depends on the awareness of the end use of the paint.

All these aspects to choose the right pigment are developed in the following pages.

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