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EVONIK®

ROHACELL® PMI Foam Core Materials. Structural core materials with superior specific properties and thermal properties. Applications include aircraft and marine structures, electronics, radiation and acoustic technologies and tooling.

Rohacell Structural Foams

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.

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