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refractories

Sintered Zirconium

Zirconium series, made of zirconium quartz and alumina, is sintered at high temperature with the aggregate of pre-synthetic material.

The series which contains less than 20% of zirconium is usually called as zirconium mullite product in relevant industries

The series which contains 29-32% of zirconium is called as sintered AZS product

The series which contains more than 60% of zirconium is called as zirconite product.

sintered zirconium
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Sintered Zirconium
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Physical and Chemical Indicators

Item/(Brand Name)AZ-GSAZ-GAZ-HDAZSZETA-AH
QualityAlumina-zirconZircon
Chemical CompositionSi029.510108.533.5
Al203706969590.5
Fe2030.50.50.50.50.2
Zr0219.519.519.53064.5
0Refractoriness3535353840
Apparent Porosity(%)1920111619
Bulk Density3.23.153.53.453.65
Cold Crushing Strength (kg/cm3)900800150010501000
Thermal Expansion at1000’C(%)0.550.550.60.550.45
Permanent Linear Change on Reheating after 2hrs.(%)1500℃    01500℃    01500℃    0 1600℃    0
Refractoriness under Load (Load:2kg/cm’) T2 (℃)16901680169017001700
Recommended ApplicationsSperstructure, Bottorn sub-paving, (FULL) Regenerator wall
Application

Zirconium series are widely used in key parts of glass furnace, fiber glass furnace, garbage incinerator, electric furnace and so forth. It is often used as transition product for AZS and silica products due to its unique physical and chemical properties.

Characteristics

Zirconium series owns high refractoriness under load and compressive strength, low apparent porosity and strong resistance to liquid glass erosion. Its composition determines that it is a neutral material. Therefore,it has a relatively good resistance to acid and alkali.

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