



Pushen HGQ 2mm multi-edged knife is a paint-coated knife with 6 teeth and a distance of 2mm. The knife teeth are multi-faceted with 6 cutting surfaces and have a long service life. HGQ 2mm multi-blade hundred grid knife is suitable for hard substrate test pieces from 60 to 120μm.

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.