Vtsyiqi Portable Pencil Hardness Tester Paint Film Scratches Tester with Multiple Load 500g 750g 1000g Three Touch Points Two Wheels A Pencil Core

description Coating hardness is the necessary measurement for the performance of coatings. This instrument applied the pencil scratch method. Warranty : 1 year Type : Pencil Hardness Tester It is a fast and economical way to determine the film hardness using the drawing lead core or the pencil core. The pencil scratch method for coating hardness testing is a common method in the world since the 1980s. See more product details