Steatite

KER 220 - Group in accordance with IEC 60672-3 - C 220; Steatite ceramics - Silicate with at least 70% of talc.

Material for insulators and power supply parts working at temperatures that do not exhibit higher jump changes than 70°C; porous with high mechanical bending strength under 80 MPa.

E.g.: fuse bodies, switch bases, fuse bases, holders, thermostat parts, bushings, insulating beads, ceramic holders, bases, sockets, plate heat radiators.

FR53/10Z a FR32/31Z - Group in accordance with IEC 60672-3 - C 221; Low-loss steatite ceramics - Silicate with at least 70% of talc

Material for insulators and power supply parts working at temperatures that do not exhibit higher jump changes than 100°C; porous with high mechanical bending strength under 140 MPa.

E.g.: fuse bodies, ceramic holders, bracing pillars.

Přežah (preliminary firing) - Group in accordance with IEC 60672-3 - C 230; Porous steatite - Material based on magnesium silicates.

Material for filling of tubular and other heating elements.