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Treatability of plywood panels containing western wood species from different geographic regions of the Pacific Northwest

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dc.contributor.advisor Morrell, J. J.
dc.creator Mitchoff, Maureen Elaine
dc.date.accessioned 2010-09-13T16:00:58Z
dc.date.available 2010-09-13T16:00:58Z
dc.date.copyright 1989-12-22
dc.date.issued 1989-12-22
dc.identifier.uri http://hdl.handle.net/1957/18321
dc.description Graduation date: 1990 en
dc.description.abstract Plywood panels collected from thirty seven mills located throughout the Pacific Northwest they were treated with chromated copper arsenate Type C (CCA-C) or ammoniacal copper zinc arsenate (ACZA) using modified full cell and full cell processes respectively. Preliminary tests were performed to determine plywood sample size, replication, and treating schedule. ACZA produced better preservative treatment than CCA in plywood from all regions. For both treatments, outer veneers had higher preservative penetration than inner veneers. Plywood panels from Washington, Oregon, or Idaho were similar in treatability and were better treated than plywood from Montana. Differences in plywood treatability between Washington, Oregon, Idaho and Montana differed from those previously found in lumber. Species composition and veneer distribution also influenced plywood treatability. Within a geographic region log source was linked to plywood treatability in panels containing only one species. en
dc.language.iso en_US en
dc.subject.lcsh Plywood -- Preservation en
dc.subject.lcsh Wood products -- Northwest, Pacific -- Preservation en
dc.subject.lcsh Wood preservatives en
dc.title Treatability of plywood panels containing western wood species from different geographic regions of the Pacific Northwest en
dc.type Thesis/Dissertation en
dc.degree.name Master of Science (M.S.) in Forest Products en
dc.degree.level Master's en
dc.degree.discipline Forestry en
dc.degree.grantor Oregon State University en
dc.description.digitization File scanned at 300 ppi (Monochrome) using ScandAll PRO 1.8.1 on a Fi-6670 in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR. en


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