Product detail
Refractories for Heating Furnace
In the metallurgical industry, a heating furnace is industrial furnace that heats materials or workpieces (usually metals) to the temperature of rolling to forging.
Product Parameters
Refractory castable technical data for heating furnace working layer
| Item 项目 |
Refractory castable 耐火浇注料 |
|||||
| ZJ42 | ZJ60 | ZJ65 | ZJS65 | ZJ70 | ||
| Al2O3 (%) | ≥ | 42 | 60 | 65 | 65 | 70 |
| Bulk density 体积密度(g/cm3) |
≥ | 2.15 | 2.30 | 2.40 | 2.40 | 2.45 |
| Modilus of rupture 常温抗折强度 (MPa) |
110℃*24h | 4 | 5 | 6 | 6 | 7 |
| Cold Crushing Strength 常温耐压强度(Mpa) |
110℃*24h | 25 | 30 | 35 | 35 | 40 |
| Test temperature*3h | 40 (1300℃) |
45 (1350℃) |
55 (1400℃) |
55 (1400℃) |
55 (1450℃) |
|
| Reheating Linear Change rate 重烧线变化率(%) |
Test temperature*3h | -0.5- +0.5 (1300℃) |
-0.5- +0.5 (1350℃) |
-0.5- +0.5 (1400℃) |
-0.5- +0.5 (1400℃) |
-0.5- +0.5 (1450℃) |
| Using temperature 使用温度 ℃ |
1300 | 1350 | 1400 | 1400 | 1450 | |
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