Evonik Rohacell® 200EC-4 Electrically Conductive Grade Polymethacrylimide (PMI) Foam

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Evonik Rohacell® 200EC-4 Electrically Conductive Grade Polymethacrylimide (PMI) Foam (discontinued **)
Categories:	Other Engineering Material; Composite Core Material; Polymer; Thermoset; Polymethacrylimide
Material Notes:	ROHACELL® is produced by thermal expansion of a co-polymer sheet of methacrylic acid and methacrylonitrile. During the foaming process the copolymer sheet is converted to PMI - PolyMethacrylImide. Alcohol is used as a blowing agent, thus ROHACELL® contains no fluorinated carbon hydrates and is halogen free. It has a very homogeneous cell structure and isotropic properties. Specific Notes for this Material: ROHACELL® EC (= Electrically Conductive) is a closed-cell rigid foam plastic based on PMI (polymethacrylimide) which does not contain any CFCs. ROHACELL® EC is a specially developed material for applications were electro conductivity is desirable. Any commonly used manufacturing technique, such as autoclave, press molding and resin infusionb can be applied. Thermoformability is another advantage of ROHACELL® EC. Information provided by degussa. Evonik Industries is the successor company to Degussa.
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Physical Properties	Original Value	Comments

Density	12.81 lb/ft³	DIN 53420, ISO 845, ASTM D 1622

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	6.50 MPa	DIN 53455, ISO 527-2, ASTM D 638
Modulus of Elasticity	0.350 GPa	ISO 527-2, ASTM D 638
Compressive Strength	8.30 MPa	DIN 53421, ISO 844, ASTM D 1621
Shear Strength	4.00 MPa	DIN 53294, ASTM C 273

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	200 °C	Heat Distortion Resistance; DIN 53424

**
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PROHA14 / 66319

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