NETZSCH-Beads®

ZetaBeads®

Yttrium-stabilized zirconium oxide grinding beads (Standard quality)

ZetaBeads® are spherical, yttrium-stabilized zirconium oxide grinding media of a high density and hardness. In contrast to ZetaBeads® Plus and ZetaBeads® Nano their surface is not polished. ZetaBeads® are low-wear grinding beads that are used for the iron-free production of highquality products.

Available standard qualities

TypeFraction [mm]
ZetaBeads® 1.71.5 - 2.0
ZetaBeads® 2.22.0 - 2.5
ZetaBeads® 3.02.6 - 3.3

Chemical composition

about (in weight %) 
ZrO2 + HfO294
Y2O35
Others< 1

Mechanical properties

  
Densitiy6.0 kg/l
Bulk density~3.6 kg/l
Young modulus> 200 GPa
Vickers hardness> 1100 HV

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