FM-HIGH® and Micatherm are the materials which FMI designed and manufactured with a view to meeting the most demanding sealing requirements. Thanks to their chemical formulation, these patented materials, which are available as sheets, fillers for spiral wounds and facing for camprofiles, can be used in all critical applications where other materials fail to ensure the required resistance, durability and reliability up to 1000 °C.
FM-HIGH® and Micatherm are oxidation-free.

CompositionExpanded Mica and biosoluble fiber bonded to a SS316L tanged core
Density ASTMF 1315 (g/cm3)1,6 – 1,9
Max recommended Temperature (°C)950
Max operating pressure (Bbar)200
Leakage DIN 3535-6 (mg*s-1*m-1)<0.1*
Creep relaxation DIN 3535-6 (%)<18
Compressibility DIN 3535-6 (%)>20
Recovery DIN 3535-6 (%)>2.2
Sheets size (mm)
Thickness (mm) 1 to 3
Thickness (%)
Sheets size (mm)
+/- 50
+/- 10

Approvals and certificates

Please contact us for further information about certificates and approvals of our products.

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