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ACF-50 Anti-Corrosion Block Compound
Picture for identification; check the listing for the exact item.

ACF-50 · SKU 09-44350

ACF-50 Corrosion Inhibiting Compound

A penetrating corrosion inhibitor. A distributor lists it as qualified to MIL-C-81309E and approved in writing by a long list of airframe makers.

    Where to buy

    AmericaDistributor coming soonOur partner for this region is on its way
    EuropeDistributor coming soonOur partner for this region is on its way
    OceaniaDistributor coming soonOur partner for this region is on its way

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    The listing's performance claims are the maker's marketing; we repeat only the qualification and approvals it names. MIL-C-81309E has since been superseded by MIL-PRF-81309H (see CorrosionX).

    European listing: ACF-50 at a distributor.

    Specifications

    Qualification (per the listing)MIL-C-81309E
    OEM approvals (per the listing)Includes Cessna, Piper, Beech, Pilatus, Van's, Bombardier, Gulfstream and others

    Source: a distributor's listing, checked 2026-09-30.

    Questions people actually ask

    Where can I buy the ACF-50 Anti-Corrosion Block Compound?

    A distributor we checked lists it in the Americas. The link to its page, with the live price and stock, opens when the partnership does.

    More corrosion control

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