Table 2:
Average Surface Roughness (Ra) of Substrates Being Ground with Grinding Papers of Various Grits
Substrate
Surface Roughness (R
a
)
320 Grit
800 Grit
1200 Grit
2400 grit
eS tranversal
0.91
0.22
0.20
0.05
eS longitudinal
0.85
0.29
0.20
0.03
Z100
0.41
0.21
0.08
0.04