Zircon Bricks

Dense zircon bricks have good resistance to molten glass corrosion and are mostly used as furnace building materials for glass melting furnaces. Dense zircon bricks feature high density, low porosity, excellent mechanical strength, and strong resistance to molten glass corrosion.

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Physical and Chemical Indicators

Item	ZS-G	ZS-Z
ZrO₂ (%)	≥ 65	≥ 68
SiO₂ (%)	≤ 33	≤ 30
Fe₂O₃ (%)	≤ 0.2	≤ 0.2
TiO₂ (%)	≤ 1.2	≤ 1.2
Bulk Density (g/cm³)	≥ 4.3	≥ 4.1
Apparent Porosity (%)	≤ 1	≤ 8
Cold Crushing Strength (MPa)	≥ 300	≥ 200
Refractoriness Under Load (0.2MPa, ℃)	≥ 1700

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