




Pushen HGQ 2mm multi-blade paint film hundred grid knife is a special test instrument for testing the adhesion of paint film coatings. It is a paint film hundred grid knife with 11 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 paint film hundred grid knife is suitable for 60 to 120μm hard substrate test piece.

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.
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.