Plywood

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Plywood
Categories:	Wood and Natural Products; Wood
Material Notes:	Plywood is made of several thin layers, or 'plies' that are laminated together. The layer structure leads to more uniform properties than solid wood, since the effects of grain anisotropy are minimized. The properties of plywood vary with the quality of the constituent layers; typical values of sheathing grade are listed below.
Key Words:	Timber, Lumber
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Physical Properties	Original Value	Comments

Specific Gravity	0.400 - 0.600 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength	4000 - 5000 psi	parallel to face; ASTM D3500
Modulus of Rupture	7.00 - 10.0 ksi	parallel to face; ASTM D3043
Flexural Modulus	8.20 - 10.3 GPa	parallel to face; ASTM D3043
Compressive Strength	4500 - 6000 psi	parallel to face; ASTM D3501
Shear Modulus	20.0 - 30.0 ksi	in plane (rolling shear)
	85.0 - 110 ksi	through thickness (edgewise shear)
Shear Strength	0.250 - 0.300 ksi	in plane (rolling shear)
	0.800 - 1.00 ksi	through thickness (edgewise shear

Thermal Properties	Original Value	Comments
CTE, linear	6.10 µm/m-°C @Temperature 20.0 °C	parallel to face
Thermal Conductivity	0.760 - 1.02 BTU-in/hr-ft²-°F	at 12% moisture; depends on wood species

Descriptive Properties
Linear Hygroscopic Expansion	< 0.020%	30 - 90% RH

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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PTSPLY / 71376

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