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Your Position: Home > Refractories > Fused Zirconia Alumina
Fused Zirconia Alumina

Fused Zirconia Alumina

Based on zirconia content, common grades are classified as ZA25 (approximately 25%) and ZA40 (approximately 40%), with the latter offering superior corrosion resistance and thermal shock resistance.
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Description
Specification
Application
Packaging

Product Description

Fused Zirconia Alumina is produced by melting alumina and zirconia at high temperatures, combining the high hardness of alumina with the high toughness of zirconia. Its core advantage lies in exceptional toughness (far superior to conventional alumina abrasives), along with high strength and excellent wear resistance. Based on zirconia content, common grades are classified as ZA25 (approximately 25%) and ZA40 (approximately 40%), with the latter offering superior corrosion resistance and thermal shock resistance.
Fused Zirconia Alumina

Specification

ItemsUnitZAF-25ZAF-40
ZrO2%22-2836-43
Al2O3%68 min56 min
SiO2%0.60 max0.60 max
Fe2O3%0.50 max0.50 max
TiO2%0.50 max0.50 max
Color–GreyGrey
Crystal Sizeum15-2010-15
Melting Point℃19501900
Micro hardnesskg/mm219501650
True Density g/cm34.3min4.6min
Magnetic objects%0.015 max0.015 max

Application

grinding wheels, belts, and discs

High-performance abrasive

In the manufacture of heavy-duty grinding wheels, belts, and discs for efficiently grinding difficult-to-machine materials such as steel, titanium alloys, and nickel alloys
Glass industry

Advanced refractory material

In critical components for continuous steel casting (e.g., slide gates, submerged entry nozzles) and glass furnace linings, where it withstands severe erosion and thermal shock from molten media.

Packaging

Packaging can be configured to match handling, storage and shipment requirements. Available options may include:
Bulk bags: 1,000 kg, 1,250 kg or 1,350 kg, supplied with or without pallets.
Small bags: 20 kg or 25 kg plastic or paper bags, supplied with or without pallets.
Custom packaging: Alternative bag types, net weights, palletization and markings are available on request.

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