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	Metric	English	Comments

Specific Gravity	0.400 - 0.600 g/cc	0.400 - 0.600 g/cc

Mechanical Properties	Metric	English	Comments
Tensile Strength	27.6 - 34.5 MPa	4000 - 5000 psi	parallel to face; ASTM D3500
Modulus of Rupture	0.0483 - 0.0689 GPa	7.00 - 10.0 ksi	parallel to face; ASTM D3043
Flexural Modulus	8.20 - 10.3 GPa	1190 - 1490 ksi	parallel to face; ASTM D3043
Compressive Strength	31.0 - 41.4 MPa	4500 - 6000 psi	parallel to face; ASTM D3501
Shear Modulus	0.138 - 0.207 GPa	20.0 - 30.0 ksi	in plane (rolling shear)
	0.586 - 0.758 GPa	85.0 - 110 ksi	through thickness (edgewise shear)
Shear Strength	1.72 - 2.07 MPa	250 - 300 psi	in plane (rolling shear)
	5.52 - 6.89 MPa	800 - 1000 psi	through thickness (edgewise shear

Thermal Properties	Metric	English	Comments
CTE, linear	6.10 µm/m-°C @Temperature 20.0 °C	3.39 µin/in-°F @Temperature 68.0 °F	parallel to face
Thermal Conductivity	0.110 - 0.147 W/m-K	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 view all the property values for this datasheet as they were originally entered into MatWeb.

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PTSPLY / 71376

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