Appearance
Color: Heartwood is
brown when freshly cut, turning deep purple to purplish brown over
time. Sapwood is a lighter cream color.
Grain: Usually straight; medium to fine texture.
Variations Within Species And Grades: Moderate to
high color variation.
Properties
Hardness/Janka: 1860,
44% harder than Northern red oak.
Dimensional Stability: Excellent (change coefficient
.00212; 43% more stable than red oak).
Durability: Very strong and dense.
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Workability
Sawing/Machining: Moderately
difficult due to hardness; frequent sharpening of tools required; slow
feed rate and carbine tooling recommended.
Sanding: Sands satisfactorily.
Nailing: Good holding ability.
Finishing: Takes finishes well; some have found that
water-based finishes hold color better.
Comments: Heartwood is very resistant to dry-wood
termites. Presence of minerals in some boards may cause uneven
coloration.
Cost
(relative to plainsawn select red
oak)
Multiplier: 2.30
Availability
Limited.
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