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Zircon
Flour
<>General
Description -- Zirconium
Silicate
<>Appearance -- Off
White Colour Flour
Typical
Specification
IRE
âQâ� Grade Australian
ZrO2
(+HfO2) 65.00
ZrO2
(incl. HfO2) 66.00
TiO2 0.25
TiO2 Max 0.15
Fe2O3
0.08
Fe2O3 Max 0.17
Origin
India,
Australia
Applications
Investment
Casting Shell Molds, Foundry Cores, Ceramic Frit, Ceramic Glazes,
Zirconia, TV Glass, Chemicals, Mould Pans.
<>
Toxicology -- N/A
Important
Properties
Mesh
Size 300
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
Grades
Premium
Grades
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