Pushen HGQ 1mm multi-blade cross scribe is a paint film cross scribe with 11 teeth and 1mm spacing between teeth. The knife teeth are multi-faceted with 6 cutting surfaces and have a long service life. HGQ 1mm multi-blade cross-hatching tool is suitable for hard substrate test pieces less than 60μm.

Comply with GB/T 9286 Paints and varnishes, scratch test of paint film, ISO 2409, ASTM D 3359 standards.
The paint film scratcher, also known as the hundred grid knife, is used to evenly draw a square of a certain size, and evaluate the adhesion of the coating film to the substrate by evaluating the integrity of the coating film in the square.
It is mainly used for the determination of the cross-hatch adhesion of coatings, not only for laboratories, but also for construction sites under various conditions.