General Description--Zirconium Silicate

ZrO₂ (+HfO₂)        65.00

TiO₂                    0.25

Fe₂O₃                       0.08

High Temperature Applications, Primary Source for Investment Casting Shell Molds, Foundry Cores, Metal Chills, Ladle Bricks, Abrasive Cleaning, Zirconia, Chemicals, Refractory Bricks, Solid Oxide Fuel Cells and Nuclear Power Plant

Toxicology--N/A

Important Properties

Specific Gravity--- 4.5 to 4.8

Bulk Density (lbs./ft.³)--- 115-130 & 170-180

Mohs Hardness @20°C 7.5-8.0

Melting Point (°C)--- 2200 to 2550

Dissociation Temp.(°F)--- 3200

Refractive Index--- 1.9-2.0