Table 5.
Bows distribution before and after lumber drying

Classes Bows (mm) Test 1 Test 2
Before (%) After (%) Difference (%) Before (%) After (%) Difference (%)
0-3 34.32 42.80 8.48 40.20 42.60 2.40
3-6 25.20 29.50 4.30 31.63 33.05 1.42
6-9 16.00 14.45 -2.00 12.50 13.25 0.70
9-12 9.18 4.25 -4.93 6.77 8.40 1.63
12-15 5.80 5.50 -0.30 2.50 2.35 -0.15
> 15 9.50 3.50 -6.00 4.00 5.14 1.14