- Ready to Use Product Type:Cleaner
- Compatible Substrates & Surfaces:Metal, Grout, Copper, Stainless Steel, Concrete
MicroKleen™ PLC-AN - Phosphoric Acid Etch & Clean is designed for neutralizing the high pH of porous lime grout and concrete surfaces prior to the application of MicroGuard® Clear Siloxane Finishes. In addition to etching and neutralizing these surfaces, this product will also clean and remove concrete surface laitance or efflorescence and light, oily contamination. PLC-AN may also be used to remove cuprous oxide or copper sulfate from copper and tarnish from non-ferrous or stainless metals.