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Mechanical properties of high-temperature borate-treated SPF lumber from a commercial trial

https://library.fpinnovations.ca/en/permalink/fpipub37559
Author
Lum, Conroy
Date
February 2001
Material Type
Research report
Field
Wood Manufacturing & Digitalization
Author
Lum, Conroy
Contributor
Forest Renewal BC
Alberta Innovation and Science. Agriculture and Life Sciences Research
Date
February 2001
Material Type
Research report
Physical Description
15 p.
Sector
Wood Products
Field
Wood Manufacturing & Digitalization
Research Area
Advanced Wood Manufacturing
Subject
Softwoods
Preservatives tests
Preservatives boron
Preservatives
Mechanical properties
Series Number
W-1731
Location
Vancouver, British Columbia
Language
English
Abstract
Samples of eastern wood species (balsam fir, black spruce, Jack pine and red spruce) from the SPF commercial species grouping were treated with high-temperature borate in a commercial trial at Légaré Industries, Quebec. The treated samples along with similar samples of untreated lumber were tested for bending strength and stiffness. The results suggest that the high-temperature borate treatment does not have a significant effect on the mean modulus of elasticity of the lumber. However, there appears to be a reduction in the bending strength after treatment. The reduction is estimated to range from 0.65 to 0.85. Due to the imperfect matching of the treated and untreated samples (both in terms of grade mix and modulus of elasticity), further study is recommended.
Preservatives - Boron
Preservatives - Tests
Softwoods - Mechanical properties
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