This instrument and is designed and manufactured according to the standard of ISO2409-1992.
Applicable to GB /T9286-98, BS 3900E6/ASTM D3359.
The instrument draw the grid of a certain size by a certain specification of the tools by using the uniform force,cut and penetrate the coating to be a grid lattice graphics, to evaluate the adhesion of coating on the substrate through the assessment of the full extent of the grid.
Multi-blade cutter spacing are: 1+0.01mm, 2+0.01mm.
Multi-blade cutter addendum straightness were: ≯0.003mm≯0.006mm.
Multi-blade cutter working tooth tip width: ≯0.05mm.