Scratch resistance testing device H18LFW

PC-controllablematerialsdigital

An integrated touch screen enhances the industry standard H18L. Numerical Scratch Resistance in determined using Continuously Increasing Loading Conical scratch needles are used, which have R-processed tips (various types between 0.005-1.0mm). As the mobile base (loaded with the test piece) travels, continuous loading is applied to the scratch needle by the weight rolling on the arm. The travel distance is 100mm, and by replacing the continuous loading weight it is possible to select 0-50g, 0-100g, or 0-200g load ranges. For example, by adding the 0-200g continuous loading weights to the 100g fixed loading weight that is already loaded, it is possible to obtain 100-300g loading. Due to the use of a mechanical continuous loading device, troublesome calibration will not be required. Highly reproducible testing can always be carried out. By using only the fixed loading weight without the continuous loading weights, the scratching hardness can also be obtained. Scratching Testing ISO DIS 12 137-2 By scratching the surface of the flat plate sample surface using the scratching needle with the fixed load applied, and measuring the size of the scratch through observing with a microscope (prepared by users), the surface scratch resistance can be judged and evaluated.