(1)purpose

The Baige knife is mainly suitable for measuring the adhesion of organic coatings using the scratch method. Not only suitable for laboratories, but also for construction sites under various conditions.

(II)Working principle and scope of application

A hundred grid knife is a tool of certain specifications that cuts and penetrates coatings in a grid pattern. The completed grid pattern is classified into six levels to evaluate the resistance of the coating to separation from the substrate.

(3)TECHNICAL INDEX
1. The spacing between multi blade cutting blades is 1+0.01mm and 2+0.01mm, respectively

2. The straight lines at the top of the multi blade cutting blade teeth are: ≯ 0.003mm ≯ 0.006mm

3. Multi blade cutting knife working tooth tip width: ≯ 0.05m