Soft mica sheet (also called flexible mica sheet or soft micanite sheet) is a compressible sealing material made by mixing mica material with a proper adhesive, then pressing and baking the compound into a flat sheet. It is soft and heat-resistant under normal conditions and delivers the best and most reliable permanent sealing characteristics. Soft mica sheet is used wherever a low minimum compression load is required — cutting into various gaskets, acting as filler for spiral wound gaskets, and forming a compensating seal in ceramic and steel joints that have unequal thermal expansion. Kaxite supplies soft mica sheet, model KXT-B501, in standard sizes 1000 × 1200 mm and 600 × 1000 mm, thickness 0.5–5.0 mm, with temperature resistance 650–900 °C, pressure capability up to 10 MPa and density 1.8–2.1 g/cm³.
