ISO 15184:2012 specifies a method for determining the film hardness by pushing pencils of known hardness over the film.The test can be performed on a single coating of a paint, varnish or related product, or on the upper layer of a multi-coat system.This
DS/EN ISO 15184:2013 history
2013DS/EN ISO 15184:2013 Paints and varnishes - Determination of film hardness by pencil test