Hemlock
Botanical Name
Tsuga heterophylla
Other Names
Western Hemlock, Western Hemlock Spruce, Hemlock Spruce, Alaska Pine, Grey Albert Fir, Silver Fir – USA British Columbia Hemlock, Pacific Coast Hemlock – Great Britain Hemlock – Germany
Origin
Along the west coast of southern Alaska to northern California, inland up to the states of Oregon and Washington
Sapwood Colour
White brownish
Heartwood Colour
Brown to reddish
Grain
Straight
Texture
Coarse
Common Uses
Western Hemlock is suitable for interior finishing, for the pulp and paper industry, for saunas, barrels, boxes and handles, paneling and trim work.
Physical Properties at MC 12%
Density | kg/m3 | 480 |
Specific gravity | – | 0.44 |
Hardness | N | 2110 |
Bending Strength | N/mm2 | 72.5 |
Stiffness | N/mm2 | 10700 |
Radial shrinkage | % | 4 |
Tangential shrinkage | % | 7 |
Working Properties
Stability | xx | Bending | xxx |
Machining | xxx | Screwing | xx |
Gluing | xx | Painting | xxx |
Sanding | xxx | Staining | xxx |
xxxx = excellent
xxx = good
xx = fair
x = not good