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Table 1 Formulation of the different tannin-based adhesives

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

Sample code

Base agenta (g)

Solvent (g)

Glue extenderb (w/w)

Formaldehydec (%)

MT

50

50

10

20

MT + NaOH

30

70

10

20

MT + NaHSO3

50

50

10

20

CT

50

50

10

20

  1. aMoisture content ~ 6–8%
  2. bBased on the mass of the resin mix
  3. cPercentage in relation to the mass of base agent (powdered tannin)