Wood Identification - Society of Wood Science and Technology

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Specimen preparation The first step in specimen preparation is to identify the end grain surface or cross-sectional surface. It is shown below as the surface with the “X”. X X indicates the cross section R = Radial surface T = Tangential surface arrow indicates grain direction T R SWST Teaching Unit 1 Slide Set 3
Wood cuts best if the surface is slight wet, so the next step is to slightly moisten the surface to be cut (only the surface to be cut, and only slightly). Always use a fresh, sharp razor blade so that you do not have to exert excessive force to push (or pull) the blade through the wood. While the blade may look sharp, microscopic nicks and rounding of the edge make the blade not sharp enough. Make only a few cuts per blade. BUT DO NOT CUT YET!!! Be sure to dispose of used razor blades properly in a rigid, sealable container. Do not throw them in the trash. SWST Teaching Unit 1 Slide Set 3
Page 1 and 2: Wood Identification: Equipment & Te
Page 3 and 4: Study of the slides and the text ac
Page 5 and 6: Wood Identification: Equipment and
Page 7: Before we cut any wood, FIRST a wor
Page 11 and 12: How to cut wood How to cut fingers
Page 13 and 14: To view the cut surface, bring the
Page 15 and 16: Here are some id. features to look
Page 17 and 18: Yellow-poplar is a diffuse porous h
Page 19 and 20: Redwood is a softwood with no resin
Page 21 and 22: A number of books are available on

Wood Identification - Society of Wood Science and Technology

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