Fotric 326 - Page 31

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Appendix A
Common
brick
Surface
20 0.93
Concrete Surface 20 0.92
Glass Polished plate 20 0.94
Lacquer
White 100 0.92
Natural color
black
100 0.97
Carbon
Smoke black 25 0.95
Candle soot 20 0.95
Graphite rough
surface
20 0.98
Paint
Average of 16
colors
100 0.94
Paper White 20 0.93
Sand Surface 20 0.90
Wood Polished 20 0.90
Water Distilled water 20 0.96
Skin Human 32 0.98
Pottery
Fine 21 0.90
Abrasive 21 0.93