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Metallized Carbon Corporation's Metcar Grade M-58 recently received approval from the Food and Drug Administration (FDA), allowing it to be used in food contact applications such as dry-running food mixer seals to provide lower seal friction and longer seal wear life.
Metcar grade M-58 is an electro graphite base material that contains a special additive to reduce friction and improve the dry-running wear rate. Available fully machined to the customer’s drawing specifications, Metcar Grade M-58 primary seal rings can be used in temperatures between minus 30 and 800 degrees F.
It is anticipated that Metcar Grade M-58 will also be useful in many other machine part applications where an FDA-approved, self-lubricating material with low friction and long wear life is required. For FDA-approved bearings, seal rings, vanes, rotors, end plates, piston rings, valve seats and other machine parts that must run submerged in beverages or liquefied foods, Metcar carbon-graphite grades that are impregnated with thermal-setting resin, copper, tin bronze or nickel chrome are used.
For pharmaceutical applications, several Metcar grades have passed the tests required for U.S. Pharmacopeia Class VI approved materials.
For more information, visit www.metcar.com.