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Sintered Zirconium Series

Sintered Zirconium Series

High Temperature Series

Item Code:A2502

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.

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.

Physical and Chemical Indicators

Item/(Brand Name) AZ-GS AZ-G AZ-HD AZS ZETA-AH
Quality Alumina-zircon Zircon
Chemical Composition Si02 9.5 10 10 8.5 33.5
Al203 70 69 69 59 0.5
Fe203 0.5 0.5 0.5 0.5 0.2
Zr02 19.5 19.5 19.5 30 64.5
0Refractoriness 35 35 35 38 40
Apparent Porosity(%) 19 20 11 16 19
Bulk Density 3.2 3.15 3.5 3.45 3.65
Cold Crushing Strength (kg/cm3) 900 800 1500 1050 1000
Thermal Expansion at1000’C(%) 0.55 0.55 0.6 0.55 0.45
Permanent Linear Change on Reheating after 2hrs.(%) 1500℃    0 1500℃    0 1500℃    0   1600℃             0
Refractoriness under Load (Load:2kg/cm’) T2 (℃) 1690 1680 1690 1700 1700
Recommended Applications Sperstructure, Bottorn sub-paving, (FULL) Regenerator wall
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