Sandstrom 28A Solid Film Lubricant
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The only Completely Toxic Heavy Metal Free and HAPs free qualified coating
Sandstrom 28A is used more than any other Sandstrom product by the U.S. Department of Defense due to the excellent corrosion resistance and load carrying capacity it offers for convenient and practical in-field application.
• 28A is listed on the United States’ Dept. of Defense QPL for MIL-L-23398 Types I & II, NATO Code S-749.
• 28A is listed on the United States’ Dept. of Defense QPL for MIL-PRF-46147 Type I Color 1 Forms 1 & 2.
Sandstrom 28A SFL is a lacquer-like coating containing molybdenum disulfide and corrosion inhibiting pigments. This air drying material prevents corrosion, galling, seizing and fretting. It is a low-friction coating that exhibits long wear life when operated at -320°F to +300°F under loads exceeding 100,000 psi. Sandstrom 28A should be applied where baking with the longer wearing, heat cured #099, Sandstrom 9A or LC-300 is not desirable or practical.
Once 28A has been applied to a properly prepared surface and allowed to cure, it is virtually unaffected by atmospheric and fretting corrosion, acids, oils and degreasers. Sandstrom 28A can be applied to all metallic and non-metallic surfaces by spray application.
Offered in bulk dispersion, aerosol cans or marker pens (now includes a brush tip), Sandstrom 28A is toxic heavy metals and HAP-solvent free. *See Technical Data Sheet for more details.
Brief Product History: Sandstrom 28A replaced the discontinued Sandstrom #238 in 2013. In 2008, Sandstrom 28A replaced Sandstrom 27A and was qualified to MIL-PRF-46147. Sandstrom 27A was preceded by Sandstrom 26A, which was retired in 1991.
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