• Zircon Block

Product Description And Parameters

Composition: Al2O3

Application:Glass Kiln, incinerator

ZrO2:15-65%

Main Raw Material:Zircon sand and mullite or corundum

Size:As your requirements

Max Working Temperature:At least 1650℃

Zircon bricks are made of zirconia and zirconia corundum cement as raw materials, mixed with rubber, molded, dried, and fired in a shuttle kiln at high temperatures.

Features
1.High molecular structure density.
2.High bulk density.
3.Good thermal shock stability.
4.Alkali and corrosion resistance.

Application
Zircon bricks are mainly used in alkali glass, borosilicate glass pool kiln bottom, upper space brick, brick hook, gap brick, flow slot brick, thermocouple brick and observation hole brick and other parts.

Item

ZS-G

ZS-Z

ZS-65A

ZS-65B

ZS-63

ZrO2(%)

≥65

≥68

≥65

≥65

≥63

SiO2(%)

≤33

≤30

≤33

≤33

≤35

Fe2O3(%)

≥0.2

≥0.2

≥0.2

≥0.2

≥0.2

TiO2(%)

≤1.2

≤1.2

≤1.2

≤1.2

ApparentPorosity(%)

≤10

≤11

≤17

≤19

≤20

Bulk Density(g/cm3)

≥4.30

≥4.10

≥3.70

≥3.60

≥3.55

Cold Crushing Strength(Mpa)

≥300

≥200

≥100

≥80

≥60

Refractoriness UnderLoad ( 0.2MPa,0.6%) (℃)

≥1700

≥1700

≥1680

≥1650

≥1600

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