DIAB Divinycell® F 50 Sandwich Core Material

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DIAB Divinycell® F 50 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	Original Value	Comments

Density	0.0500 g/cc	ASTM D1622

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	1.60 MPa	ASTM D1623
Elongation at Break	60 %	In Shear; ASTM C273
Compressive Strength	0.350 MPa @Temperature 180 °C	ASTM D1621
	0.400 MPa @Temperature 23.0 °C	ASTM D1621
Compressive Modulus	25.0 MPa @Temperature 180 °C	ASTM D1621B
	30.0 MPa @Temperature 23.0 °C	ASTM D1621B
Poissons Ratio	0.32
Shear Modulus	0.00750 GPa	ASTM C273
Shear Strength	0.600 MPa	ASTM C273

Electrical Properties	Original Value	Comments
Dielectric Constant	1.1 @Frequency 9.375e+9 Hz	ASTM D2520-01A
Dissipation Factor	0.0018 @Frequency 9.375e+9 Hz	ASTM D2520-01A

Thermal Properties	Original Value	Comments
CTE, linear	20.0 µin/in-°F	ASTM D696
Maximum Service Temperature, Air	180 °C	Excellent Heat Aging; Continuous Service
Minimum Service Temperature, Air	-100 °C	Continuous

Descriptive Properties
Water Absorption (kg/m²)	0.003	ASTM D2842

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PDIAA933 / 99171

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