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Dispersion and the use of grindometers for checking the particle size

A dispersion is a system in which particles are dispersed in a continuous phase of a different composition (or state).

When solid materials are milled in a liquid media to reduce the particle size a grindometer is used to check the particle size.

In the coating and ink industries the grindometer is also called a Hegman gage. Pigment particles are in an agglomerated state. The agglomerates are milled to produce smaller aggregates or the primary particles.

The Hegman grind is a fast simple test to determine the presence of coarse particles and their approximate size. A determination can be made to continue the milling process.

Grindometers come in different sizes, scale units, and scale ranges. The BYK-Gardner has Hegman gages to comply with ISO and ASTM method.

Manufacturer:
BYK-Gardner
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Dispersion

Grindometer

The grindometer is used to check the...

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