Glass Grinding Beads for wet grinding applications in the low to medium viscosity range


GlassBeads are bubble-free glass grinding beads with a density of 2.5 kg/l. They are especially recommended for wet grinding applications in the low to medium viscosity range. This is also true for applications for which the use of high-quality zirconium oxide grinding beads is no real alternative due to the high costs.


Available standard qualities

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TypeFraction [mm]
GlassBeads 0.50.4 - 0.6
GlassBeads 0.60.5 - 0.75
GlassBeads 0.90.75 - 1.0
GlassBeads 1.21.0 - 1.3
GlassBeads 1.51.25 - 1.65
GlassBeads 1.71.55 - 1.85
GlassBeads 1.91.7 - 2.1

Chemical composition

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about (in weight %)
Al2O3< 0.6

Mechanical properties

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Densitiy2.5 kg/l
Bulk density1.5 kg/l



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NETZSCH-Beads® - the right grinding tool for every application. The selection of the appropriate grinding beads is an outstanding characteristic for optimizing dispersing and wet grinding processes with agitator bead mills.


NETZSCH-Feinmahltechnik GmbH offers mixing, kneading and dispersing machines for low- to high-viscosity products as well as a variety of wet-grinding units for reduction into the nanometer range, tailor-made for each application. When it comes to the processing of dry products by cutting, fine grinding or fine classification, you will find a wealth of experience and an equally varied program of fine-impact mills, classifier and jet mills as well as fine-cutting mills and high-performance fine classifiers.

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