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Description:According to GB / T 9275 and ISO 2815 standard design; it has a specific size and shape of the indentation (hard tool steel with sharp blade of the metal wheel) in the specified experimental conditions for the coating film indentation test The The measurement of the indentation length is expressed in millimeters. This method is only applicable to the measurement of plastic deformation behavior of the paint, the elastic deformation of the paint should not be used to evaluate the method.The main technical parameters:â– Indentation Effective weight: 500 ± 5gâ– Diameter of indentation: 30 ± 0.2mmâ– indentation width: 5 ± 0.1mmâ– indentation angle: 60 ° ± 0.5 °â– Observation device: 20 times the microscope + index 0.1mm eyepiece