Evonik ROHACELL® 51 HERO Aircraft Grade Polymethacrylimide (PMI) Foam

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Evonik ROHACELL® 51 HERO Aircraft Grade Polymethacrylimide (PMI) Foam
Categories:	Other Engineering Material; Composite Core Material; Polymer; Thermoset; Polymethacrylimide
Material Notes:	ROHACELL® HERO is produced for composite aircraft structures that are lightweight, durable over their lifetime and less expensive to produce. HERO sandwich cores offer the most weight saving potential of all structural foams. Featuring a closed cell structure, ROHACELL® HERO minimizes added weight by taking up resin only in the cut surface cells –resulting in a lighter finished part weight compared with traditional honeycomb structures. Information provided by Evonik
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Physical Properties	Original Value	Comments

Density	0.0520 g/cc	ISO 845

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	2.60 MPa	ISO 527-2
Elongation at Break	8 %	ISO 527-2
Tensile Modulus	0.0820 GPa	ISO 527-2
Compressive Strength	0.600 MPa	ISO 844
Compressive Modulus	32.0 MPa	ISO 844
Shear Modulus	0.0220 GPa	ASTM C273
Shear Strength	0.700 MPa	7.2% shear strain; ASTM C273

Thermal Properties	Original Value	Comments
CTE, linear	37.6 µm/m-°C

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PEVONIL306x / 287707

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