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The DYKEM 81778 is a dark blue layout fluid used to coat metal surfaces before scribing, marking, or machining operations. Applied as a thin, fast-drying staining color, it creates a high-contrast background that makes scribed lines clearly visible to machinists, fabricators, and toolmakers. The 81778 comes in a 1-gallon bottle, making it a practical bench stock choice for machine shops and fabrication facilities that go through layout fluid at volume. At 7 pounds, the filled container is manageable for shop use and storage.
Layout fluids like the DYKEM 81778 are standard in metal fabrication, tool-and-die, and machine shop environments. Technicians apply the fluid to cleaned, degreased metal stock before layout work begins. Once dry, the dark blue coating accepts sharp scribe lines with high visibility, reducing marking errors during drilling, milling, or grinding operations. The 1-gallon format suits high-use production benches where smaller containers turn over quickly.
Designed as a general-purpose layout fluid for use on ferrous and non-ferrous bare metal surfaces in machining, fabrication, and toolmaking applications.
Layout fluid is applied by brush, dauber, or spray to a clean, degreased metal surface before scribing. Allow the coating to dry fully before beginning layout work. Keep the container sealed when not in use to prevent evaporation. Handle in a well-ventilated area in accordance with the product safety data sheet.
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