Glass Balls (Ground & Lapped)

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.