Surfaces need to be free of all paint, sealers, grease, curing agents etc. Products containing acid must not be used in the cleaning process. Surface grinding is not recommended.
Surfaces need to be mechanically ground or chemically etched.
The surface should be free of all paint, sealers, curing agents, grease etc. Surfaces may be ground or etched.
The surface needs to be mechanically ground or chemically etched.
