Table 2: Average Surface Roughness (Ra) of Substrates Being Ground with Grinding Papers of Various Grits

Substrate Surface Roughness (Ra)
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

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