Difference between revisions of "Sugar pine"
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Revision as of 17:52, 1 May 2016
Description
A tall, evergreen tree, Pinus lambertiana, native to the Pacific coast of North America. Sugar pine has a soft, pale color wood with a straight grain and smooth texture. It is used for carvings, piano keys, organs, millwork, shingles, and lumber.
Synonyms and Related Terms
Pinus lambertiana
Other Properties
Paper fiber type: softwood, soft pine. Using transmitted light microscopy, fibers are identified by the presence of egg-shaped fenestriform pits 2-3 across the fiber. Pits are uniform in size and occur mostly commonly in groups of two. Appearance with Graff "C" stain: varies with pulping and bleaching. Ray tracheids are non-dentate. Average dimensions of fibers: length 5.9mm, width 40-50μm. Common pulping method: Common pulping method: kraft and sulfite.
Additional Images
Sugar pine paper pulp stained with Graff "C" stain
Sugar pine paper pulp stained with Graff "C" stain
Sources Checked for Data in Record
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- External source or communication Comment: Western Pine Association, Portland Oregon: air-dry weight = 25 pcf
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Marja-Sisko Ilvessalo-Pfäffli. Fiber Atlas: Identification of Papermaking Fibers (Springer Series in Wood Science). Springer, 1995.
- Walter Rantanen. "Fiber ID Course." Integrated Paper Services. June 2013. Lecture.