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Zircon bricks
Zircon bricks are refractory products with zircon (ZrO2.SiO2) as the main component.
Classification:
Product Introduction
Zircon bricks are refractory products with zircon (ZrO2.SiO2) as the main component。
According to the production process and physical and chemical performance indicators, zircon bricks are divided into: ZS-G high density zircon bricks, ZS-Z dense zircon bricks, ZS-65A machine-pressed zircon bricks, ZS-65B machine-pressed zircon bricks，ZS-63 machine-pressed zircon stone bricks。
Among them, ZS stands for zircon stone bricks, G stands for high density, and Z stands for density。
The physical and chemical performance indicators of zircon stone bricks should comply with the provisions of the following table。
| Projects | Physical and chemical indicators | |||||
| ZS-G | ZS-Z | ZS-65A | ZS-65B | ZS-63 | ||
| Bulk density/(g/cm3) | ≥ | 4.30 | 4.10 | 3.70 | 3.60 | 3.55 |
| Apparent porosity/% | ≤ | 1 | 11 | 17 | 19 | 20 |
| Compressive strength at room temperature/Mpa | ≥ | 300 | 200 | 100 | 80 | 60 |
| Load softening temperature T0.6/°C | ≥ | 1700 | 1700 | 1680 | 1650 | 1600 |
| （ZrO2）/% | ≥ | 65 | 68 | 65 | 63 | |
| （Si02）/% | ≤ | 33 | 30 | 33 | 35 | |
| （Fe2O3）/% | ≤ | 0.20 | 0.20 | 0.20 | 0.20 | |
| （TiO2）/% | ≤ | 1.2 | 1.2 | 1.2 | - | |
Key words:
Zircon bricks
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