Influence of Chemical Environment on Strength of Wood Fibers,
FOREST PRODUCTS LAB MADISON WI
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When studying the effects of chemical environment on strength properties of wood, the first consideration is to look at the source of strength in wood. The strength component of logs, poles, lumber, etc. is the wood fiber. Softwood fibers are about 3.5 mm long and 0.035 mm in diameter while hardwood fibers are shorter 1-1.5 mm and smaller 0.015 mm in diameter. In wood, these fibers are glued together with a phenolic adhesive lignin.