Color Handbook

Pigment Volume Concentration

The pigment volume concentration is essential in determining the amount of a particular pigment that can be added to the polymer of the coating. The pigment has to have sufficient "wetting" by the polymer to create a protective coating. There must be enough polymer to completely fill the voids between the pigment particles.

How to you calculate the PVC?

The following equation is used:

The point at which there is just sufficient polymer to wet the pigment particles is known as the critical pigment volume concentration (CPVC). Below the CPVC there is sufficient polymer for pigment wetting and above the CPVC there is not. There are abrupt changes in the coatings properties at the CPVC. Below is a depiction of PVC and property changes that occur at the CPVC.


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