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Tube Seal (Line Oil)

Tubeseal is a blend containing a very fine preservative oil (REF: MIL. SPEC. L-21260), which has a characteristic of climbing the tube wall and spreading over the entire surface to provide lasting protection. Prevents rust and corrosion inside aircraft tubing structures.  Tubeseal will penetrate and reveal very small pin holes in a weld and, in time, due to exposure, congeal and seal the hole.

In order to ensure complete internal wall coverage, rotate fuselage or other welded tube assembly to assure all tubes are cycled from upright thru 90° to side, then 90° to inverted, then 90° to opposite side and finally 90° back to upright. A minimum of 5 minutes waiting period should punctuate each 90° arc.

One quart is sufficient to treat a 1 to 4 place aircraft fuselage and miscellaneous tubular components.

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