Ceramic Stir Bar

Full Ceramic Stir Bar bearings can be made in silicon nitride, zirconia or silicon carbide, three kinds in total. You can find those ceramic materials' characteristic at ceramic materials and their properties.

 

TECHNICAL SPECS

 

Material Zirconia (ZRO2)
Size 22x134mm
Accuracy 0.012mm
Highest Temperature 400℃(752F)
Circular Runout 15um
Perpendicularity 30um
Circularity 15um
Parallelism 20um
Applications Chemicals, aerospace, medicine, environmental protection equipment, electronics industry, and chemical solvents

 

 

MATERIAL PROPERTIES

 

Performance unit Zirconia
Ingredients Y2O3 % 5.21
FeO3 <0.001
Na2O <0.001
SiO2 <0.001
TiO2 <0.001
ZrO2 >94
Density g/cm3 ≥6.0
Hardness Kg/mm2 1100~1300
Bending strength Mpa >950
Fracture toughness Mpa.m-3/2 8.0~10.0
Elastic Modulus Gpa 210
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