Zirconium Silicate Powder

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Description

A fine white mineral powder that is chemically inert and stable to very high temperatures. Insoluble in water, dilute acids and hot concentrate sulfuric acid.
Chemical Name: Zirconium silicate
Chemical Formula: ZrSiO4

Specifications

Atomic Number where applicable
Molecular Weight (g/mol.) 183.1
Bulk Density (lbs./ft.3) 172-182
Specific Gravity 4.5-4.6
Solid Specific Heat 0.132
Melting Point (°C) 2200-2550
Boiling Point (°C)  
Surface Area (m2/g)  
Thermal Conductivity @20°C (cal/s-cm-°C)  
Mohs Hardness @20°C 7.5-8.0
pH  
Color off-white

Chemical Properties

ZrO2= 65.9%, SiO2= 32.0%

Typical Applications

Primary source for investment casting shell molds,foundry cores, metal chills, ladle brick, welding rod coatings, abrasive cleaning, and mold washes.

Packaging

50 lbs. and 100 lbs. net bags, super sacks and loose bulk.
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