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Corrosion Resistant Alumina Ceramic Hearth – Precision Machined Heat-Resistant Solution for Extreme Industrial Environments
Engineered for the most demanding industrial applications, our Corrosion Resistant Alumina Ceramic Hearth delivers unparalleled performance in high-temperature and chemically aggressive environments. As a premium-grade alumina ceramic product, it stands at the forefront of advanced refractory materials, combining exceptional thermal stability, mechanical strength, and resistance to oxidation and chemical degradation. This precision machined heat resistant alumina ceramic hearth is meticulously crafted from 99% pure alumina (Al₂O₃), ensuring superior consistency and durability across extended operational cycles. Ideal for use in metallurgy, glass manufacturing, semiconductor processing, and advanced ceramics industries, this ceramic hearth represents the pinnacle of material engineering tailored for global industrial excellence.
What sets this product apart is its multi-layered resilience: not only does it withstand continuous exposure to temperatures exceeding 1600°C (2912°F), but it also maintains structural integrity when subjected to rapid thermal cycling and corrosive atmospheres rich in molten salts, acids, or alkalis. The corrosion resistant aluminia ceramic hearth is specifically designed to resist spalling, cracking, and surface erosion—common failure points in conventional refractory systems. Its low thermal expansion coefficient ensures dimensional stability under extreme heat, minimizing warping and extending service life significantly compared to standard ceramic or metal alternatives. Compare with High Purity Alumina Ceramic, Zirconia Ceramic, the Performance is good.
Manufactured through advanced sintering techniques and CNC-controlled precision machining, each hearth achieves micron-level tolerances, guaranteeing perfect fitment within complex furnace systems. This level of precision machining eliminates the need for on-site adjustments, reducing installation time and enhancing system efficiency. The smooth, dense surface finish further reduces particle adhesion and facilitates easy cleaning, making it ideal for cleanroom applications and processes requiring stringent contamination control.
AlUMINA TECH DATA
|
ITEM |
UNIT |
99.9 ALUMINA |
|
Density |
G/cm3 |
3.94 |
|
Bending Resistance |
Mpa |
500 |
|
Compressive Strength |
Mpa |
3300 |
|
Elasticity Modulus |
Gpa |
400 |
|
Shock Strength |
Mpam/2 |
5.2 |
|
Vaporization Coefficient |
M |
12 |
|
Vickers Hardness |
HV0.5 |
2000 |
|
Thermal Expansivity |
10-6K-1 |
8.0 |
|
Conductivity |
W/MK |
28 |
|
Thermal Shock Resistance |
AT℃ |
280 |
|
Maximum Service Temperature |
℃ |
1750 |
|
20℃ Volume Resistance |
Ω |
≥1015 |
|
Dielectric Strength |
KV/mm |
30 |
|
Apparent Porosity |
％ |
0 |
|
Permittivity |
Er |
10 |
|
Dielectric Loss Angle |
tanδ |
0.001 |
ALUMINA POWDER TECH DATA
|
ITEM |
LS-110 |
LS-120 |
LS-130 |
LS-110F |
LS-220 |
LS-210 |
|
LOI(％) |
0.02 |
0.02 |
0.05 |
0.08 |
0.03 |
0.01 |
|
Na2O(％) |
0.05 |
0.04 |
0.03 |
0.05 |
0.07 |
0.08 |
|
SiO2(％) |
0.07 |
0.07 |
0.07 |
0.09 |
0.02 |
0.02 |
|
Fe2O3(％) |
0.03 |
0.03 |
0.03 |
0.03 |
0.02 |
0.02 |
|
Al2O3(％) |
99.9 |
99.9 |
99.9 |
99.9 |
99.9 |
99.9 |
|
average grain diameter(um) |
1.7 |
2.1 |
2.2 |
1.1 |
2.7 |
2.9 |
|
αgrain diameter(um) |
1-2 |
1-3 |
2-4 |
1-2 |
2-3 |
3-5 |
|
BET Surface Area(m2/g) |
1.9 |
1.4 |
1.4 |
3.2 |
1.6 |
0.9 |
|
Pressure-induced volume density(g/cm3)* |
2.22 |
2.27 |
2.31 |
2.29 |
2.22 |
2.32 |
|
Forming density(g/cm3)** |
2.13 |
2.20 |
2.23 |
2.33 |
2.17 |
2.30 |
|
Sintering volume density(g/cm3)** |
3.78 |
3.79 |
3.78 |
3.89 |
3.81 |
3.77 |
|
Line collection efficiency(％) |
18.0 |
17.2 |
16.7 |
15.7 |
17.5 |
15.3 |
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Main Product:
Alumina Ceramics,
Zirconia ceramics,
Ceramic tubes ,
Ceramic rods,
ceramic rings,
crucible