Fig. 4From: Tannin-based extracts of Mimosa tenuiflora bark: features and prospecting as wood adhesivesSide view of the glue lines promoted by the bonding with the tannin-based adhesives. Where a, b, c, and d refer to MT, MT + NaOH, MT + NaHSO3, and Phenotan M® (IT), respectivelyBack to article page