Table 4 The total colour differences ΔE* of tropical woods (kusia, bangkirai, massaranduba, jatobá) finished with the Wood Denmark vegetable oils (transparent, teak, bangkirai) during natural weathering in an exterior

1

7.4 (0.8)–

4.8 (0.9)–

11.3 (2.0)–

9.6 (2.2)–

3

16.1 (1.7)–

17.5 (2.0)–

13.1 (0.6)–

11.8 (1.5)–

6

22.7 (1.8)–

19.9 (1.3)–

17.1 (0.5)–

15.8 (0.8)–

9

26.9 (1.4)–

21.7 (1.5)–

20.6 (0.6)–

20.2 (0.3)–

12

29.7 (0.6)–

23.7 (1.1)–

23.8 (0.5)–

24.4 (0.7)–

24

37.3 (0.5)–

26.9 (1.6)–

24.3 (1.6)–

22.9 (0.4)–

36

30.6 (0.3)–

23.1 (1.3)–

22.9 (1.0)–

26.3 (0.1)–

1

3.7 (0.8) a

9.1 (0.8) a

13.9 (0.6) b

4.4 (1.2) a

3

8.9 (0.8) a

9.7 (1.0) a

15.0 (0.4) c

5.8 (1.3) a

6

14.7 (0.6) a

10.3 (1.1) a

18.3 (0.9) d

9.8 (0.9) a

9

17.9 (1.8) a

10.3 (1.4) a

21.8 (1.0) d

12.1 (1.8) a

12

19.5 (1.7) a

11.2 (1.8) a

25.5 (0.7) c

15.2 (2.5) a

24

25.7 (1.8) a

16.0 (1.7) a

29.2 (0.6) a

19.7 (1.9) a

36

30.3 (1.0) d

21.7 (1.1) d

27.6 (0.9) a

30.1 (0.2) a

1

4.4 (0.3) a

15.6 (0.8) a

12.2 (1.1) d

10.6 (1.5) d

3

9.1 (0.9) a

15.5 (0.5) c

10.5 (0.8) b

10.6 (0.8) d

6

13.2 (0.5) a

15.9 (0.6) a

12.6 (0.9) a

14.0 (1.1) c

9

16.6 (0.4) a

15.8 (0.5) a

13.7 (0.8) a

14.5 (1.1) a

12

18.1 (0.4) a

17.2 (0.3) a

16.0 (0.5) a

15.4 (0.6) a

24

23.3 (0.2) a

22.9 (0.4) a

20.3 (1.0) a

21.2 (0.3) d

36

24.1 (0.9) a

24.3 (0.7) d

23.8 (1.1) d

29.6 (0.6) a