ETCHING FLUID is a water based concrete surface retarder which when applied to formwork, prevents concrete poured against it from setting to a depth of 5-10mm, for up to 48 hours. This allows the retarded concrete to be removed by hose after the forms have been stripped, resulting in an exposed aggregate finish.

USES

ETCHING FLUID is used to create a mechanical key on a concrete surface which is to have more concrete poured against it. An example of this is where ETCHING FLUID is painted on stop ends which confine individual pours of a floor slab. W hen the stop ends are removed and the retarded concrete is washed off, the resultant exposed aggregate finish makes an excellent key for the next pour.
ETCHING FLUID can also be used to create an architectural exposed aggregate finish on columns, beam panels, pavers and any other formed concrete surface.

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