QHQ-A portable pencil hardness tester

Product Introduction:

QHQ-APortable pencil hardness tester basisGB/T5739-1996Design and manufacture. The instrument is mechanical, with three points in contact with the surface being tested, two points for nylon, and one point for pen core, always ensuring the formation of the tested coating45By adjusting the angle and pushing the instrument horizontally with force, the testing process can be completed to determine the ability of the coating to resist deformation. This method is designed and manufactured by manual operation, represented by pencil markings. Suitable for measuring the hardness of coating films. Equipment and instruments.

Technical parameters:

Three point contact with the tested surface (roller, pencil lead), angle between the pencil and the tested surface45˚The pressure of the pencil lead on the coating is1Kg.