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Applied Adhesion Science

Table 5 Physical–mechanical properties of the wood joints glued with different tannin-based adhesives

From: Tannin-based extracts of Mimosa tenuiflora bark: features and prospecting as wood adhesives

Adhesive sample

MC (%)

Shear strength (MPa)

Wood failure (%)

MT

7.03 ± 0.29

1.41 a ± 0.54

41.09 a ± 7.26

MT + NaOH

7.26 ± 0.23

1.51 a ± 0.73

44.13 a ± 3.44

MT + NaHSO3

7.43 ± 0.21

1.27 ab ± 0.53

40.70 a ± 4.55

IT

7.35 ± 0.23

0.76 b ± 0.37

35.11 b ± 6.03

F-ratio

–

3.36

5.36

p-value

–

0.0269

0.0033

n

48

48

45

  1. Where: MC is moisture content of the glued wood sample (dry basis). According to the Fisher-Snedecor test, averages (± standard deviations) followed by the same letter, in the same column, do not differ statistically from each.
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