Low coefficient of expansion, High thermal shock resistance.
Basic Composition: SiO 2
Temperature Limits: 1500 ° C (Then flows under own weight)
Density: 2.2 g/cm³
Melting Range: 1683 ° C
Specific Heat: 670 J/Kg ° C
Coefficient of Expansion: 5.5 x10-7 / ° C
Thermal Conductivity: 1.4 W/m ° C