Phlogopite mica with excellent electrical insulating properties and thermal resistance up to 800ºC.

Product properties

dark grey
Electrically insulator: 
Products made from mica
main area of use: 
Raised temperature applications
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Densityg/cm3DIN EN ISO 11832,1
Flammability (UL94)-IEC 60707V0
Water absorption, 24h/23°C%ISO 621
Dielectric constant-DIN 53483-
Comparative tracking index (CTI)-IEC 60112525
Dielectric strength, 90°C in oil (parallel)kV/25mmIEC 60243-1-
Dielectric strength, 90°C in oil (perpendicular)kV/3mmIEC 60243-175
Thermal conductivityW/ (K.m)ISO 8302, DIN 526120.26
Max. allowable service temperature in air, short termºC-
Max. allowable service temperature in air, long termºC800
Coefficient of linear thermal expansion (CLTE):m/(m.K)x10-5ISO 11359, DIN 510451 - 10
Tensile strength (parallel)MPaISO 527-
Tensile modulus of elasticity (perpendicular)MPaISO 178-
Compressive strength (perpendicular)MPaISO 604 330
Compressive strength, 200°C (perpendicular)MPaISO 604 -
Flexural stress at rupture (perbendicular)MPaISO 178170
Interlaminar resistanceNDIN 53463-
Average friction coefficient on steel---
Oil and grease resistance--
(*) legend:
  • A – applicable
  • B – partially applicable
  • C – not applicable


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Tolerances on thickness: 0; +0.3 Weight: 6.3 kg/fm Size of plate: 1000 x 1200 mm Tolerances on width: +0; +25 Tolerances on length: 0; +3 Availabilty: Can be ordered