DIAB ProBalsa® PB Standard Balsa Wood

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DIAB ProBalsa® PB Standard Balsa Wood
Categories:	Other Engineering Material; Composite Core Material; Wood and Natural Products; Wood
Material Notes:	ProBalsa is a high quality composite core material made from end-grain balsa wood. The end grain, micro-honeycomb structure offers exceptional shear and compressive strength. In addition ProBalsa offers good fatigue properties, high thermal and sound insulation and low FST properties. ProBalsa is best suited for dynamic structures where performance and efficiency are paramount. All ProBalsa core materials are particularly easy to work using conventional woodworking tools. They can be drilled, milled, turned and sawn to close tolerances. ProBalsa can be used in hand lay-up, vacuum bag and infusion applications. It is also suitable for elevated temperature cure prepreg systems. ProBalsa Plus is a premium version of ProBalsa where the surface is micro sanded and treated with a special surface primer to reduce resin absorption during lamination. Information Provided by DIAB
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Physical Properties	Metric	English	Comments

Density	0.155 g/cc	0.00560 lb/in³	ASTM C271
Moisture Absorption at Equilibrium	12 %	12 %

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	13.5 MPa	1960 psi	ASTM C297
Compressive Strength	12.7 MPa	1840 psi	ASTM C365
Compressive Modulus	4.10 GPa	595 ksi	ASTM C365
Shear Modulus	0.166 GPa	24.1 ksi	ASTM C273
Shear Strength	3.00 MPa	435 psi	ASTM C273

Thermal Properties	Metric	English	Comments
CTE, linear	1.10 µm/m-°C	0.611 µin/in-°F	Longitudinal (Moisture changes are more impactful than CTE); ASTM D696
	4.60 µm/m-°C	2.56 µin/in-°F	Radial (Moisture changes are more impactful than CTE); ASTM D696
	6.80 µm/m-°C	3.78 µin/in-°F	Tangential (Moisture changes are more impactful than CTE); ASTM D696
Thermal Conductivity	0.0640 W/m-K @Temperature 10.0 °C	0.444 BTU-in/hr-ft²-°F @Temperature 50.0 °F	ASTM C377
Insulation R Value	1.1 @Thickness 12.0 mm	1.1 @Thickness 0.472 in	Based on +10°K factor
	2.3 @Thickness 25.0 mm	2.3 @Thickness 0.984 in	Based on +10°K factor
	4.5 @Thickness 51.0 mm	4.5 @Thickness 2.01 in	Based on +10°K factor

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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PDIAA937 / 99175

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