Products Description
Refractory materials in the iron and steel, nonferrous metals, petrochemical, building materials, machinery, electricity, light industry and other basic industries and aerospace and ships, missiles and other military fields have a wide range of applications. The main application areas of refractories and their respective proportions in the steel industry accounted for the largest proportion. Followed by cement, ceramics, glass, chemical, nonferrous metals.
Products Specifications
| Item | ZA-17 | ZA-20 (Zirmul) | ZA-25 (Vista) | ZA-30 | ZA-11 | |
| Chemical composition | Al2O3 | ≥70 | ≥59 | ≥57 | ≥47 | ≥72 |
| ZrO2 | ≥17 | ≥19.5 | ≥25.5 | ≥30 | ≥11 | |
| SiO2 | ≤12 | ≤20 | ≤14.5 | ≤20 | ≤12 | |
| Fe2O3 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.3 | ≤0.5 | |
| Apparent Porosity％ | ≤17 | ≤17 | ≤17 | ≤18 | ≤17 | |
| Bulk Density g/cm3 | ≥3.15 | ≥2.95 | ≥3.15 | ≥3.10 | ≥3.1 | |
| Cold Crushing Strength Mpa | ≥90 | ≥100 | ≥120 | ≥100 | ≥90 | |
| 0.1Mpa Refractoriness Under Load T0.6 ℃ | ≥1650 | ≥1650 | ≥1650 | ≥1650 | ≥1630 | |
| Permanent Linear Change On Reheating(%)1500℃X2h | ±0.3 | ±0.3 | ±0.3 | ±0.3 | ±0.3 | |
| 20-1000℃ Thermal Expansion % (x 10-6) | 0-0.6 | 0-0.6 | 0-0.6 | 0-0.6 | 0-0.6 | |
| Thermal Conductivity (Average800℃) W / (M.K) | ≤ 2.19 | ≤ 2.19 | ≤ 2.1 | ≤ 2.1 | ≤ 2.19 | |
| Pyrometric Cone Equivalent ℃ SK | 31 | 31 | 31 | 31 | 31 | |
Our main products : high aluminum brick, fire clay brick, light weight insulation brick, wear-resistant castable, corundum castable, low cement castable, impervious material, plastic refractory, etc.
