Precision Balls

Teflon* (TFE) Balls

Teflon (TFE) Balls

General Information:
Teflon is used in valves because of its excellent resistance to chemical attack and its strength at low temperature. It is electrically non-conductive and has an extremely low coefficient of friction.
Basic Composition:
Mechanical Properties:  
Hardness 28 Rockwell 'R'
Density 0.078 lbs/
Specific Gravity 2.1/2.2
Water Absorption (24hrs) .005%
Max. Useful Temperature 260 Deg.C (500 Deg.F)
Colour White Opaque
Size Range:  
Imperial 3/32" to 7/8" inclusive (stock sizes)
  Larger sizes up to 6" to order
Tolerances: 3/32" to 7/16" 1/2" to 7/8"
Basic Dia.Tolerance ±.002" ±.003"
Sphericity .001" .002"
Corrosion Resistance:
Teflon is resistant to nearly all corrosive reagents. It is particularly useful with wet chlorine.

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