Items |
Parameters |
Test method |
Crosshatch scratching test |
Stoke distance |
10-200mm |
Speed range |
10-200mm/s |
Number of scratches |
6-11, optional |
Crosshatch moving space |
0.5mm-2mm(special scratching finger for moving space below 2mm) |
Scratch load |
2N,3N,5N,7N,8N,10N,12N,15N,20N (optional) |
Scratching head material |
Stainless steel; Tungsten carbide (optional) |
Scratching head diameter |
0.5mm,0.75mm,1mm(Erichsen318),3mm,5mm,7mm |
Plastic scratching finger(optional) |
polymethyl methacrylate PMMA);diameter 16mm,thickness 1mm,edge radius0.5mm ,hardness shore D85。 |