Stock code
839391
Thermal shock resistant low creep mullite composite brick
Classification:
Product Introduction
Our company selects high-grade raw materials such as mullite, sanshi minerals and low expansion minerals, and adds anti-thermal shock additives. The products produced have the advantages of good thermal shock performance, high soft temperature and low creep rate. They are widely used in parts with frequent thermal transformation in hot blast stoves, such as contact pipes, air mixing chambers, hot blast stove outlets and inlets, and are well received by users.
Physical and chemical indexes of thermal shock resistant low creep brick for hot blast stove
| Item | JH-MRL-70 | JH-MRL-65 | JH-MRL-60 | JH-MRL-57 | JH-MRL-53 |
| Al₂O₃ (%);≥ | 70 | 65 | 60 | 57 | 53 |
| Apparent porosityy (%);≤ | 20(22) | 20(22) | 20(22) | 21(23) | 22(24) |
| Bulk Density (g/cm³) | 2.50~2.70 | 2.45~2.65 | 2.40~2.60 | 2.35~2.55 | 2.30~2.50 |
| Cold compressive strength (MPA);≥ | 65(60) | 60(55) | 55(50) | 50(45) | 50(45) |
| Starting temperature of soft load (℃);≥ | 1680 | 1650 | 1620 | 1580 | 1550 |
| Reburn line change 2h(%) | 1500 ℃ ±0.2 | 1500 ℃ ±0.2 | 1500 ℃ ±0.2 | 1400 ℃ ±0.2 | 1400 ℃ ±0.2 |
| creep rate (0.2MPa × 50h);≤ | 1500 ℃ 0.8 | 1500 ℃ 0.8 | 1450℃ 0.8 | 1400 ℃ 0.8 | 1350℃ 0.8 |
| Thermal shock stability/time 1100 ℃, water cooling | 20 | 20 | 20 | 20 | 20 |
Note:() is marked with the index of special-shaped brick.
Packing: wooden
Note: waterproof shockproof
Key words:
Thermal shock resistant low creep mullite composite brick
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