DIAB Divinycell® F 90 Sandwich Core Material

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DIAB Divinycell® F 90 Sandwich Core Material
Categories:	Other Engineering Material; Composite Core Material; Polymer
Material Notes:	Divinycell F is a recyclable, prepreg compatible sandwich core offering excellent FST (fire, smoke and toxicity) properties, good mechanicals and processing characteristics. Divinycell F has been specifically developed for commercial aircraft interior applications. It more than exceeds the US and European regulatory requirements for commercial aircraft interiors. Other key features include 220°C (425°F) processing temperature, superior damage tolerance, exceptional fatigue life, low water absorption, good chemical resistance and excellent heat aging at 180°C (356°F). Divinycell F is compatible with most common composite manufacturing processes. In addition, Divinycell F is both hot and cold formable. Resin Compatibility Epoxy - Excellent Phenolic - Very good with modern low free phenol resins Cyanate Ester - Excellent BMI - Sealer required Polyester - Excellent Vinylester - Excellent Information Provided by DIAB
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Physical Properties	Metric	English	Comments

Density	0.0900 g/cc	0.00325 lb/in³	ASTM D1622

Mechanical Properties	Metric	English	Comments
Tensile Strength, Ultimate	2.15 MPa	312 psi	ASTM D1623
Elongation at Break	60 %	60 %	In Shear; ASTM C273
Compressive Strength	0.600 MPa @Temperature 180 °C	87.0 psi @Temperature 356 °F	ASTM D1621
	0.700 MPa @Temperature 23.0 °C	102 psi @Temperature 73.4 °F	ASTM D1621
Compressive Modulus	0.0350 GPa @Temperature 180 °C	5.08 ksi @Temperature 356 °F	ASTM D1621B
	0.0400 GPa @Temperature 23.0 °C	5.80 ksi @Temperature 73.4 °F	ASTM D1621B
Poissons Ratio	0.32	0.32
Shear Modulus	0.00950 GPa	1.38 ksi	ASTM C273
Shear Strength	1.10 MPa	160 psi	ASTM C273

Electrical Properties	Metric	English	Comments
Dielectric Constant	1.4 @Frequency 9.375e+9 Hz	1.4 @Frequency 9.375e+9 Hz	ASTM D2520-01A
Dissipation Factor	0.0012 @Frequency 9.375e+9 Hz	0.0012 @Frequency 9.375e+9 Hz	ASTM D2520-01A

Thermal Properties	Metric	English	Comments
CTE, linear	36.0 µm/m-°C	20.0 µin/in-°F	ASTM D696
Maximum Service Temperature, Air	180 °C	356 °F	Excellent Heat Aging; Continuous Service
Minimum Service Temperature, Air	-100 °C	-148 °F	Continuous

Descriptive Properties
Water Absorption (kg/m²)	0.002		ASTM D2842

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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PDIAA934 / 99172

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