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Were you interested in concrete etching or engraving information?

For Concrete polymer-modified overlays:

Contractors and manufacturers are split between roughening the concrete by mechanical profiling or acid etching. Large or difficult surfaces will usually be mechanically profiled.

Acid etching can provide adequate surface preparation for horizontal installations of coatings, and toppings in areas that are well ventilated and require a spark and/or dust free environment. But they will not remove petroleum-based products or animal vegetable oils from the concrete. Acid etching is meant to create a surface profile not clean the concrete. To clean or degrease concrete use specialtly cleaning products. Newlook International has products available to clean and profile concrete.

After acid etching is done the surface must be neutralized. Bonding problems can occur if acidic residue remains on the concrete.

ASTM D 4262-83 is the test method for pH for chemically cleaned or etched concrete surfaces.

You can review and buy the ASTM documents. Click here.

For Floor Coatings in Industrial or Commercial Applications:

Mechanical profiling is the method of choice. Thomas Kline of Structural Preservation and William Perenchio of Wiss, Janney, Elstner Associates, Inc. note that acid etching should only be done when no alternative means of preparation is possible.

Again, the safest measure is to follow the floor coating manufacturers installation instructions.

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