639 Leak Detect Compound

A neutral solution formulated specifically for leak-testing lines, cylinders and tanks carrying pure oxygen, but may also be used for testing fuel systems, pneumatic systems, inflatable vests & rafts, or any product or system that can be leak tested with air or gas. Solution will not foam like soap/water solutions which may give false leak indications. Leaves no greasy residue and may be flushed clean with cold water if removal is required. NSN 6850-00-621-1820