A line of high-purity calcined alumina polishing powders that are easy to mix with de-ionized water for grinding, lapping, and finishing a wide range of optics are available from Meller Optics, Inc. of Providence, Rhode Island.

Meller Microlux Alumina Powders come in two grades and seven particle sizes from 0.05 to 3.0 microns and are ready-to-mix with de-ionized water for producing surface finishes to 10-5 scratch-dig. Suitable for grinding, lapping, and polishing, they are ideal for hard and soft optics including barium- and calcium fluoride, germanium, silicon, zinc selenide, zinc sulfide, stainless steel, and semi-soft crystalline materials.

Featuring 99.98% purity, Meller Microlux-R Alumina Powders include large agglomerated particles that break down under pressure for aggressive grinding and lapping. For fine grinding and uniform polishing, Meller Microlux-RZ with controlled deagglomerated particles and 99.99% purity
is offered and both grades are completely water soluble and non-toxic.

Meller Microlux Alumina Powders are priced from $46.60 to $95.00 per pound, depending upon grade, particle size, and quantity. Free samples and price quotations are available upon request.

For more information contact:

Meller Optics, Inc.
Steve Lydon, Marketing
120 Corliss St. / P.O. Box 6001
Providence, RI 02940
(800) 821-0180 FAX (401) 331-0519
e-mail: steve@melleroptics.com
www.melleroptics.com