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SantoLubes LLC
(formerly Arch Technology, LLC)
8 Governor Drive
St. Charles, Missouri 63301 |
SANTOVAC®
Lubricant Solves Heat
Treating Problem
A Midwestern
manufacturer solved the problem of lingering residue from a petroleum-based protective
coating after heat treating by switching to a synthetic coating. The synthetic was
environmentally friendly, left no residue, and protected parts.
 A
Midwestern manufacturer of large wheel assemblies had a problem protecting its steel
assemblies from rust and corrosion both before and after heat treating. The assemblies,
weighing several hundred pounds, had to protected from rust and corrosion during
in-plant handling between the forging process and heat treating, and also during
shipment to the customer.
There
was also a second problem, involving what happened to the protective lubricant during
the heat treating process itself. The petroleum-based penetrating lubricant in use
by the manufacturer left a black residue on the assemblies. Removing this residue
was an extra process step that was adding cost. It was this problem that actually
prompted the search for a replacement lubricant. The successful replacement turned
out to be a new synthetic penetrating lubricant designed to have long life once applied
to a metal surface.
A new recipe
Lubricants
generally consist of a base stock plus carefully selected additivies that impart
specific performance properties. A petroleum lubricant can't get away from some of
the characteristics of its base stock - including the tendency to leave a black residue
when heated beyond its point of thermal stability. A purely synthetic base stock,
however, has no such constraints and can be designed to behave differently.
Eventually, the manufacturer ran some tests with a synthetic lubricant, called TKO2,
from Santovac Fluids, St. Charles, Mo. Initial tests with the synthetic showed that
a thin film gave complete protection from rust and corrosion during in-plant handling.
Continue to "Case History"
Page 2
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