ASTM International Standard Practice for Liquid and Gelled Acid Etching of Concrete ASTM D4260-05

1.1 This practice covers surface preparation of concrete to prepare the surface prior to the application of coatings. 1.2 This practice is intended to alter the surface profile of the concrete and to remove foreign materials and weak surface laitance. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 6.