Key Features

   High Mechanical Strength

   Low Dielectric Loss

   Resistance to Acid and Alkali

Applications

   High Frequency Insulator

   Insulating Parts for Radar and TV

Steatite

Characteristics of Material

Technical Parameters	Unit	Value
Main Composition		MgO • SiO2
Bulk Density	g/cm3	2.8 ~ 3.1
Mohs Hardness		7.5
Compressive Strength	MPa	580
Tensile Strength	MPa	70
Bending Strength	MPa	125
Thermal Expansion Coefficient	× 10-6/℃	6.9 (at 25 ~ 300℃)
Dielectric Constant (at1MHz )		6.0
Dielectric Loss Angle (at1MHz )	× 10-4	6 ~ 8
Insulating Strength	kV/mm	20 ~ 30
Volume Resistiity	Ωcm	> 1012