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ASTM D2395-07a

Historical Revision

Standard Test Methods for Density and Specific Gravity (Relative Density) of Wood and Wood-Based Materials

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1.1 These test methods cover the determination of the specific gravity of wood and wood-based materials to generally desired degrees of accuracy and for specimens of different sizes, shapes, and moisture content conditions. The method title is indicative of the procedures used or the specific area of use.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


The specific gravity of wood gives an excellent measure of the amount of wood substance present in a sample. Thus, it may serve as a valuable indicator of the amount of wood pulp that could be produced, the workability of the material, or the strength characteristics of a specimen or a species. It should be recognized that specific gravity varies between trees, within a tree, and between species. Since the specific gravity of wood substance is practically constant for all species (approximately 1.53), it is apparent that individual specific gravity values are indicative of the amount of wood substance present. It affords a rapid and valuable method for selection of wood for specific uses.

It may be desirable to know the specific gravity of a living tree, a structural member already in place, a log cross section, a segment of a research element, or the earlywood or latewood layer. The specimen thus may be large or small, regular or irregular, and at a variety of moisture contents. These test methods give procedures that include all of these variables and provides for calculation of specific gravity values to degrees of accuracy generally needed.

SDO ASTM: ASTM International
Document Number D2395
Publication Date July 1, 2007
Language en - English
Page Count 9
Revision Level 07a
Supercedes
Committee D07.01
Publish Date Document Id Type View
Oct. 15, 2017 D2395-17 Revision
May 1, 2014 D2395-14E01 Revision
May 1, 2014 D2395-14 Revision
July 1, 2007 D2395-07AE01 Revision
July 1, 2007 D2395-07A Revision
April 1, 2007 D2395-07 Revision
Oct. 1, 2006 D2395-06 Revision
April 10, 2002 D2395-02 Revision
Jan. 1, 1997 D2395-93R97E02 Revision
Aug. 1, 2022 D2395-17R22 Reaffirmation
April 10, 2002 D2395-93R97E01 Reaffirmation