Product Main

Quick Details

Abrasive Grain Sizes: zirconia fused alumina
Usage: abrasive tools
Material: al2o3, Zircon sand
Brand Name: Haixu
color: grey
Model Number: zirconia fused alumina
Place of Origin: China (Mainland)
colour: grey
shape: grit

Specifications

4025zirconia fused alumina best priceProduct Description
Zirconia fused alumina

Zirconia fused alumina was made from aluminum and Zirconium oxide by melting above 2000 in the electric arc furnace and cooling.Then the huge Zirconia fused alumina lump be crushed into different size,from a few mm to 0.8 um.

Zirconia fused alumina is strong but pliable in texture,compact structure,Good Thermal Stability.

Generally Zirconia fused alumina is gray color.

Physical Data
Crystal form
Monoclinic, tetragonal system
Crystal size
30um max
Reaction with acid and alkali
No
Reaction with carbon
Forming carbide since 1650 ℃
Color
Gray
True density
4.20g/cm3
Bulk density
2.18g/cm3
Moh's hardness
9.0
Knoop hardness
1450-2000kg/cm2
Melting point
1900℃
Maximum service temperature
1700℃
Specific heat capacity(cal/g. ℃)
0.2205(50-500℃)
Heat conductivity
0.2718 cal/cm2.sec. ℃
Linear expansivity(X10-6)
6.82(100-700℃)
Chemcial Data
Grade
Al2O3
ZrO2
TiO2
Fe2O3
SiO2
ZA25
68%-72%
24%-30%
1.5%max
0.5%max
1.0%max
ZA40
55%-57%
35%-44%
1.5%max
0.5%max
1.0%max