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Mullite Bricks, Corundum Mullite Bricks Mullite Brick, Corundum Mullite Brick


Zircon brick / Zirconia bricks produced by stable zircon sand have the advantage of mechanical strength, excellent stability to thermal shock, resistance to corrosion, high refractoriness under load and inertness, high density, etc. It is widely used in glass furnace, non-ferrous metal smelting furnace, and pure steel furnace. Please see listed applications on lower right of this page.

We handle many types of Zircon/Zirconia bricks and other Zircon related refractory bricks: High quality Zircon Brick, AZS Brick or bonded AZS brick, Oxidized Fused Cast AZS Brick, and Zirconia-Mullite Brick, etc. Please contact KT Refractories for detailed information and datasheet.

KT Refractories distributes Zircon Bricks, Zirconia Bricks, AZS Brick or bonded AZS brick, Zircon Mullite Bricks, and other refractory bricks of the best quality at the most competitive prices worldwide.

Call 1-877-365-2995 to order Zircon Bricks, Zirconia Bricks, AZS Brick or bonded AZS brick, Zircon Mullite Bricks, and other refractory bricks, and our fast, responsive customer service and reliable delivery service will save you time and money!

Typical Zircon Bricks Technical Data Specs

Technical data for other Zirconia Bricks, AZS Brick or bonded AZS Brick, Oxidized Fused Cast AZS Brick, and Zirconia-Mullite Brick are available upon request.
Zircon Bricks Synthetic Material Isostatic Zirconia Brick
FM-ISM-65A FM-ISM-65B ZR-65 ZR-69
ZrO2 (%) ≥ 65 65 65 69
Apparent Porosity (%) ≤ 68 18 10 19
Bulk Density ≥ 3.85 3.75 4.25 4.15
Cold Crushing Strength (MPa) ≥ 150 120 300 200
0.2 MPa Refractoriness Under Load ≥ °C 1710 1705 1680 1680

Typical Application for Zircon Bricks:

  • Ladle lining for metallurgical industry
  • Glass contact portion of alkali free or low-alkali glass melting furnace
  • Soda-lime glass kiln as neutral brick, skew brick
  • Paving and sub paving, channel blocks, sidewall of meter of glass fiber furnace and floating glass tanks
  • Upper area of flame space or frequent thermal shock region, lining of alkali-free or low-alkali glass, sodium-calcium glass, boron-silicate glass, ceramic glass, lead glass, and other technical glass melting furnace
  • Special region of glass tank, such as paving part and secondary layer of paving bottom, back lining, wall and bottom of fore hearth, flowing spout and spinning portion, melter, etc.
  • Transition region between up roof silica brick and fusion zirconia-corundum brick or fusion zirconia-mullite brick
  • Transition region between silica brick and magnesia brick, areas of crown, burner, thermal couple, peep hole, and secondary layer of melter bottom and its back lining, etc
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