
Testing methods for paints Part 5: Mechanical property of film - Section 4: Scratch hardness (Pencil method)
出版:Japanese Standards Association

专家解读视频
This Standard is one of a series of standards dealing with the sampling and testing of paints, varnishes and related products. It 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 multicoat system.
ISO 15184:1998 - Identical