Thermiculite® 870 for Solid Oxide Fuel Cells (SOFC)
Thermiculite® 870 is specifically designed for use in solid oxide fuel cells (SOFC) and solid oxide electrolysers (SOE) and has a high degree of compression combined with good sealing under low applied surface stresses. Thermiculite® 870 contains only two minerals, vermiculite and steatite. There are no organic materials or other elements (such as phosphorous or sulphur) that would contaminate SOFC or SOE cell chemistry.
For some SOFC designs a softer, more compressible sealing material is required.
TH870 is significantly more compressible under low loads, e.g. 1MPa. TH870 is around ten times more compressible than TH866.