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Sapphire and Ruby Balls
Jun 2011
Meller Optics Inc.Request Info
PROVIDENCE, R.I., June 17, 2011 — Meller Optics Inc. released a full line of miniature precision sapphire and ruby balls suitable for use in medical and chemical pumps as check and metering valves, and as ball and roller bearings, stylus tips and endoscope lenses.

Offered in 42-in. and metric sizes from 0.1 mm to 0.5 in. in diameter, the balls feature Moh 9 hardness and a surface finish of 20-10 scratch-dig or better. They can be precision ground into planoconvex lenses, and they can be drilled if required.

With a melting point of 2000 °C, the balls are impervious to most chemicals, solvents and detergents.


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Americasball bearingschemical pumpschemicalsendoscope lenseslensesmedical pumpsMeller Optics Inc.metering valvesminiature ruby ballsminiature sapphire ballsMoh 9 hardnessopticsplanoconvex lensesProductsRhode Islandroller bearingsstylus tips

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