Zirconia Ceramic Ball

Zirconia Ceramic Ball:   This product is particularly suitable for vertical stirred mill, horizontal rolling mill, vibration mill, and various high-wire-speed sanding stick pins, etc.; the requirements of the refusal to cross-contamination of the slurry and powder for wet, dry dispersion and the ultra-fine grinding.   Features: 1.Wearing a very low (ppm) the amount of materials to prevent pollution 2.High grinding efficiency 3.Extremely long life, low cost integrated 4.For high viscosity, wet grinding and dispersion of occasions   Applications: 1.Wear-resistant, corrosion-resistant products: paints, textiles, paints, printing and dyeing 2.High strength, high toughness products: magnetic materials, piezoelectric ceramics, dielectric ceramics 3.To prevent pollution: medicine, food, cosmetics 4.Ceramics: Electronic ceramics, refractory ceramics, structural ceramics   Technical specification:

Items	Unit	Data
Compsision	wt%	94.8% ZrO2
		5.2% Y2O3
Packed Density	Kg/L	3.73(Φ2mm)
Specific Density	g/cm3	≥6.02
Hardness(HV)	GPa	>8.5
Elastic modulus	GPa	200
Thermal Conductivity	W/m.K	3
Crushing Load	KN	≥20 (Φ2mm)
Fracture Toughness	MPam1-2	9
Grain size	µm	≤0.5
Thermal expansion	10x10-6/ °C(20-400)	9.6
Coeffcient(20-400 °C)

Size: Φ3mm,Φ5mm,Φ6mm,Φ8mm,Φ10mm,Φ12mm,Φ15mm,Φ20mm.   *Note: we can manufacture all kinds of ceramic ball according to customer's requirements.