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3. Applications
3.1 Gluing laminated veneer wood (LVL) and plywood
The results of the chemical analysis had a direct impact on the applications of citric acid for wood gluing. Bonding large flat wood surfaces (such as veneers) to produce plywood and LVL (Laminated Veneer Lumber) panels gave excellent strength results, even though the pressing temperature conditions (180°C) were suitable for LVL (180°C), but higher than usual for plywood (110°C to 150°C). Thus, the bonding results showed that citric acid has great potential for use as a bio-binder for wood veneers, without any other additives.
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Conclusion
Bibliography
Standards and norms
European Committee for Standardization. European Standard
- Plywood – Bond Quality – Requirements. European Committee for Standardization: Brussels, Belgium. - EN 314-2 - 2004
- Plywood – Bond Quality – Test Methods. European Committee for Standardization : Brussels, Belgium. - EN 314-1 - 2004
- Adhesives for load bearing timber structures. European Committee for Standardization : Brussels,...
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