Properties of Structural Flakeboard Manufactured from 7-Year-Old Intensively Cultured Poplar, Tamarack, and Pine

Structural flakeboard made from 7-year-old intensively cultured tamarack and jack pine was less durable and had poorer mechanical properties than either of two poplar hybrid clones grown under the same conditions. Boards made with 7-year-old Populus material had reduced bending but increased internal bond properties when compared to boards made with similar 6-year-old material. The same strength differences attributed to clonal variation in younger poplars were also found in the boards made from the 7-year-old material.

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