These manufacturing techniques, combined with precisely controlled firing and 100% product inspection, produce high-quality components suitable for the most demanding high-temperature environments.
· A variety of compositions available, including high-alumina, fused zirconia mullite, and silicon carbide
· Excellent resistance to chemical attack
· Excellent thermal shock resistance
· Low gas permeability
· Tight tolerance capability
1. Observation ports and thermometer holes in industrial kilns
2. Combustion chambers
3. Custom electric element laboratory furnaces
4. Headboxes and launders used in aluminum processing
5. Radiant heat insulation for commercial and industrial heaters
Name | CT 1000 | CT 1260 | CT 1350 | CT 1430 | CT 1600 | CT 1700 | CT 1800 | |
Classification Temperature (℃) | 1000 | 1260 | 1350 | 1430 | 1600 | 1700 | 1800 | |
Density (kg/m³) | 300-600 | 400-700 | ||||||
Heating Shrinkage % (Soaking for 24 h) | ≤3.0 (900℃x24h) | ≤3.0 (1000℃x24h) | ≤3.0 (1100℃x24h) | ≤3.0 (1300℃x24h) | ≤2.0 (1500℃x6h) | ≤2.0 (1500℃x6h) | ≤2.0 (1550℃x6h) | |
Modulus of Rupture (MPa) | ≥0.6 | ≥0.6 | ≥0.6 | ≥0.6 | ≥0.2 | ≥0.2 | ≥0.2 | |
Thermal Conductivity(W/m.k) | 400℃ | 0.08 | 0.08 | 0.08 | 0.08 | 0.09 | 0.09 | 0.09 |
600℃ | 0.12 | 0.12 | 0.12 | 0.12 | 0.14 | 0.14 | 0.14 | |
800℃ | 0.16 | 0.16 | 0.16 | 0.16 | 0.20 | 0.20 | 0.20 | |
1000℃ | — | — | 0.23 | 0.23 | 0.28 | 0.28 | 0.28 | |
Chemical Composition (After burning) | Al₂O₃ | ≥37 | ≥41 | ≥43 | ≥37 | ≥65 | ≥70 | ≥72 |
Al₂O₃+SiO₂ | ≥95 | ≥97 | ≥98 | ≥84 | ≥99 | ≥99 | ≥99 | |
Al₂O₃+SiO₂+ZrO₂ | — | — | — | ≥98 | — | — | — | |
ZrO₂ | — | — | — | ≥11 | — | — | — | |
Cr₂O₃ | ≤2.0 | ≤2.0 | ≤2.0 | ≤2.0 | ≤1.0 | ≤1.0 | ≤1.0 | |