Explain the significance of extractives in wood.
Understand the Problem
The question is asking about the importance and role of extractives found in wood, which may include their chemical composition, how they affect wood properties, and their implications in various applications such as construction and furniture making.
Answer
Extractives in wood affect color, smell, durability, and protect against bacteria and fungi.
Extractives in wood are significant because they influence its color, smell, hygroscopy, natural durability, and various physical and mechanical properties like dimensional stability. They also play a role in protecting trees from bacteria and fungi.
Answer for screen readers
Extractives in wood are significant because they influence its color, smell, hygroscopy, natural durability, and various physical and mechanical properties like dimensional stability. They also play a role in protecting trees from bacteria and fungi.
More Information
Extractives are non-structural components in wood that contribute to its unique properties and protection against environmental threats, making them critical in the context of natural wood durability. They also contribute biocidal properties for industrial uses.
Tips
A common mistake might be to overlook the importance of extractives in influencing both the aesthetic and functional properties of wood, focusing only on structural components.
Sources
- Wood Extractives: Main Families, Functional Properties, Fields of Use - sciencedirect.com
- The role of extractives in naturally durable wood species - research.fs.usda.gov
- Wood Extractives: Main Families, Functional Properties, Fields of Application and Interest of Wood Waste - agritrop.cirad.fr
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