| Koehler Instrument Co., Inc. |
Designs and manufactures tribology instruments for friction and wear testing conforming to ASTM, IP and related test methods as well as custom designed products.
http://www.koehlerinstrument.com/
Tribology testing division.
http://www.plint-tribology.com/
Offers a complete line of tribology test equipment and services for friction, wear, lubrication, and abrasion studies.
http://www.falex.com/
A tribological testing laboratory and manufacturer of tribological test machines and specimens for sale
http://www.falexint.com/
Viscosity standards and refractive index standards.
http://www.paragon-sci.com/
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