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| Customization: | Available |
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| Classification: | Clay |
| Feature: | Good Mechanical Strength, Good Thermal Insulation Performance, Light Weight |
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| Item | Fire Clay | High alumina | Corundum | |||||
| NT-1 | NT-2 | GL-1 | GL-2 | GL-3 | GY-1 | GY-2 | ||
| Al2O3 (%) | ≥45.0 | ≥45.0 | ≥65.0 | ≥65.0 | ≥75.0 | ≥85.0 | ≥92.0 | |
| CaO(%) | <3.5 | <1.5 | <2.0 | <2.0 | <1.5 | <2.0 | <1.5 | |
| compression strength | 110ºC×16h | ≥40.0 | ≥25.0 | ≥40.0 | ≥40.0 | ≥35.0 | ≥60.0 | ≥50.0 |
| 1350ºC×3h | ≥60.0 | ≥65.0 | ||||||
| 1450ºC×3h | ≥60.0 | ≥65.0 | ≥70.0 | |||||
| 1550ºC×3h | ≥90.0 | ≥90.0 | ||||||
| Flexural Strength | 110ºC×16h | ≥6.0 | ≥5.0 | ≥6.0 | ≥6.0 | ≥6.0 | ≥8.0 | ≥8.0 |
| 1350ºC×3h | ≥12.0 | |||||||
| 1450ºC×3h | ≥12.0 | ≥12.0 | ≥12.0 | |||||
| 1550ºC×3h | ≥18.0 | ≥18.0 | ||||||
| Density | 110ºC×16h | ≥2.3 | ≥2.3 | ≥2.5 | ≥2.6 | ≥2.6 | ≥2.95 | ≥2.95 |
| 1350ºC×3h | ≥2.3 | ≥2.3 | ||||||
| 1450ºC×3h | ≥2.4 | ≥2.55 | ≥2.55 | |||||
| 1550ºC×3h | ≥2.9 | ≥2.95 | ||||||
| Changes in line after burning | 1350ºC×3h | ±0.5 | ±0.5 | |||||
| 1450ºC×3h | ±0.5 | ±0.5 | ±0.5 | |||||
| 1550ºC×3h | ±1.0 | ±0.8 | ||||||

