MGC/Machinable Glass Ceramics

Machinable Glass Ceramics

Main properties

Magnetic susceptibility ≤1.2×10-6

Dielectric constant 6～7

Breakdown voltage ≥15 KV/mm

Flexural strength ≥108Mpa

Fracture Modulus 15000bf/in2

Impact toughness ≥ 3.8 KJ/m2 Knoop

Hardness 176～343 kg/mm2

Volume density 　 2.5～2.8 g/cm3

Range of operating temperature -200～+1000℃

Thermal expansion coefficient ≤94×10-7 /K

Thermal conductivity ≥ 1.7 W/m·K

Applications

It is widely used for nuclear, microwave high vacuum insulation, high precision magnetism-free skeleton for aeronautic and astronautic electrical devices, ultra-high voltage insulation for electric motors and structural parts at strong erosion environments. In terms of machinability, it can take place of aluminum oxide and boron nitride ceramics that are difficult to machine.

Specifications

Rod: Ф25mm～Ф160mm, up to 300mm long

Plate: customized various sizes.