Abstract
Objective: The present study aimed to evaluate the quality of OSB (Oriented Strand Board) panels produced with different particle orientations and adhesive formulations. Method: The panels were produced using strand particles of Pinus taeda, with a nominal density of 0.65 g/cm³ in two particle orientations (oriented and random) and three adhesive formulations (100% phenol formaldehyde, 100% tannin and 50% phenol formaldehyde + 50% tannin), distributed in six treatments. The tests were carried out according to the standards established by the EN 300 (2006) standards. Results and conclusion: The results showed that using the mixture of the phenol and tannin adhesive had better results for the swelling, water absorption properties and the static bending. It was not possible to determine the best type of adhesive to be used, as the results showed an equivalence between the two types of adhesives used, as well as the mixture between them. It was observed that the use of mixtures with 50% of each adhesive can be used in the production process of OSB panels, allowing new alternatives of adhesives for the industries. Research implications: This research investigates the possibility of using different types of natural adhesives in the manufacture of wooden panels, contributing to reducing the use of materials that are harmful to the environment and reducing costs in panel production, contributing to more sustainable production.
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