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all the material has been extruded and applied
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which prevents buildup on form surfaces
it can accept stains and secondary colorants at this point
Acid Wash (Etchcrete 20%) PowerTools all the material has beenAcid Wash (Etchcrete 20%) Is an acid cleaner to be used to remove cementitious residue from concrete and masonry surfaces. ETCHCRETE is ideal for the cleaning of exposed aggregate surfaces before applying surface sealers. ETCHCRETE can be diluted up to a maximum ratio of 1 part acid to 3 parts water. Concentration required depends on the extent of cleaning to be done. Apply material to the working surface at a rate of 200 300 sq. ft. per gallon. Allow
