ASTM D 4260 - 05 Standard Practice for Liquid and Gelled Acid Etching of Concrete

American Society for Testing and Materials (ASTM). Current edition approved June 1, 2005. Published June 2005. Originally approved in 1983. Last previous edition approved in 1999 as D 4260 – 88 (1999). 3 p. This practice covers surface preparation of concrete to prepare the surface prior to the application of coatings.
This practice is intended to alter the surface profile of the concrete and to remove foreign materials and weak surface laitance.