Precision Balls

Ceramic Balls

Ceramic Balls

General Information:
Ceramic Balls may be used at temperatures up to 1725 Deg.C (3135 Deg.F). They are extremely hard, abrasion resistant and immune to all furnace atmospheres. Used for check valves where heat, corrosion and / or abrasion resistance is needed.
Basic Composition:
Aluminium Oxide 99.9% Max.
Mechanical Properties:  
Hardness Rockwell 45 N 81
Density 0.139lbs/
Specific Gravity 3.80/3.84
Size Range:  
Imperial 1/8" to 1.3/4" inclusive
Metric 2mm to 12.5mm to order
Tolerances: 1/8" to 1/2" 5/8" to 1.3/4"
Basic Dia.Tolerance ±.0001" ±.002"
Sphericity .000025" .0001"
Surface Finish (AA) 1.5 micro-inch 5 micro-inch
Corrosion Resistance:
Alumina Ceramic has good resistance to most corrosive media but is not recommended for use in Hydrochloric or Hydrofluoric acids or strong alkaline solutions.

ISO 9001:2000

Special Materials

Titanium Carbide
Silicon Carbide
Polycarbonate Resin
Acetal Resin
Carpenter 20 Cb-3
M-50 High Speed Steel Cubic Zirconia
Silicon Nitride
Optical Quality Glass