General Information: |
Glass
Balls are used in non-return valves, light-duty corrosion-resistant
bearings, flowmeters and as insulators. Also available, 'Black
Glass' balls with super precision tolerances in sizes from
1/16" to 1/4" diameter for use in medical and chemical
flow- meters. |
Mechanical Properties: |
|
Density |
0.097 lbs/cub.in. |
Specific Gravity |
2.7 |
Max. Useful Temperature |
350 Deg.C |
Colour |
Clear Glass (matt finish) |
Size Range: |
|
Imperial |
Stock sizes 3/32"" to 3/4" |
Metric |
2mm to 20mm to special order |
Tolerances: |
|
|
Up to 3/8" |
Over 3/8" |
Basic Dia.Tolerance |
±.004" |
±.004" |
Sphericity |
.0003" |
.0006" |
Corrosion Resistance: |
Glass
balls have excellent resistance to most chemicals except hydrofluoric
acid. They are not suitable for applications involving thermal
or mechanical shock. |