Maximum temperature: 1700 °C.

Coefficient of thermal expansion (25 °C to 1000 °C): 8.0 x 10' / °C.

Compressive strength: 2500 MPa.

Specific Gravity: 3.92 g / cm3.

Hardness: 1440 Kg / mm2.

Permeability: impermeable to gases.

Size: Dia 42mm x 5mm

Package include: 3 x Cover