Sample

Average Roughness

Measured Gloss

Reflectance

Optical Roughness

Relative Intensity

Computed Specular

Ra (μm)

G_M

R_A = G_M × 0.6274

Sigma (μm)

I_RS

Reflectance

I_RS × 66.735

SSPN

0.025

120.35

75.51

0.025

0.99756

66.57

SSDN

0.024

128.67

80.73

0.025

0.99756

66.57

SSOP

0.153

109.56

68.73

0.153

0.91244

60.89

X₁

-

-

-

0.100

0.96161

64.17

X₂

-

-

-

0.075

0.97822

65.28

X₃

-

-

-

0.0125

0.99939

66.69