METRIC
A-A-52443A(AT)
October 19, 2009
SUPERSEDING
A-A-52443(AT)
24 March 1993
COMMERCIAL ITEM DESCRIPTION
LUBRICANT, MOLD, TIRE, SILICONE
BASE EMULSION (METRIC)
The General Services Administration has authorized the use of this commercial item
description (CID) as a replacement for MIL-L-3921A(AT) which is cancelled.
1. SCOPE
This CID covers one type of silicone-base tire-mold lubricant furnished as a concentrated
emulsion for further dilution with 100 or more parts of water. It is furnished in metal containers
(with metal screw-top caps) of various sizes (see 2.8). The solution is used for spraying (or
otherwise coating) tire molds, recapping or retread molds, tube plates, and the like. When
applied, the solution will form a thin, inert film to prevent adhesion of "rubber stocks" and will
assure a good surface finish of the cured compound.
2. SALIENT CHARACTERISTICS
2.1 Materials. The materials used in the manufacture of the tire mold lubricant shall conform to
the requirements specified herein. Materials not specifically covered shall be of first commercial
quality. The use of recovered materials is acceptable providing that all requirements of this CID
are met (see 5.7).
2.1.1 Composition. Tire mold lubricant shall consist of silicone liquid (dimethyl polysiloxane)
of 200 to 500 millimeters per second (mm2/s) viscosity at 25 degrees Celsius (C) with such
emulsifying, inhibiting, and other agents as are necessary to assure satisfaction of the
requirements of this CID and satisfactory performance of the lubricant in intended use. The
silicone content of the lubricant shall be not less than 34.0 percent (%) by volume.
Comments, suggestions, or questions on this document should be addressed to U.S. Army
Tank-automotive and Armaments Command, ATTN: RDTA-EN/STND/TRANS, MS# 268,
6501 E. 11 Mile Road, Warren, MI 48397-5000 or emailed to
DAMI_STANDARDIZATION@conus.army.mil. Since contact information can change, you
may want to verify the currency of this address information using the ASSIST Online database at
https://assist.daps.dla.mil.
AMSC N/A
FSC 2640
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