Light Weight Good Heat Storage High Alumina Insulation Bricks for Furnace
Introduction:
High alumina bubble brick is made of alumina hollow ball as raw material, high-performance powder as additive, and organic material as the temporary binding agent, after mixing, drying, forming, firing at high temperature in shuttle kiln, the whole process is finished.
Features:
- High working temperature
- Good thermal shock resistance
- Small linear change on reheating
- Energy saving
Technical Index:
| Item | Alumina Bubble Brick |
| CH-85 | CH-90 | CH-99 |
| Al2O3 % | ≥85 | ≥90 | ≥99 |
| SiO2 % | ≤15 | ≤8 | ≤0.2 |
| Fe2O3 % | ≤0.2 | ≤0.2 | ≤0.2 |
| Maximum Service Temperature ℃ | 1680 | 1700 | 1800 |
| Bulk Density g/cm3 | 1.4-1.7 | 1.4-1.7 | 1.4-1.7 |
| Cold Crushing Strength Mpa | ≥12 | ≥10 | ≥9 |
| Refractoriness Under Load (0.1Mpa, 0.6%) ℃ | ≥1650 | ≥1700 | ≥1700 |
| Permanent Linear Change (1600℃*3h) % | ±0.3 | ±0.3 | ±0.3 |
| Thermal Expansion Coefficient (*10-6,room temperature-1300℃) % | ～7.8 | ～8.0 | ～8.6 |
Thermal Conductivity Coefficient
( Average 800℃) w/m.k | ≤0.6 | ≤0.7 | ≤1.5 |
1. When Jansincere Company established?
In 1986.
2. How many staffs in your factory?
About 500, including including 23 managers, 42 technicians, and 8 qualified installation engineers.
3. What’s your main products scope?
Our main products are dense refractory bricks and monolithic refractories, including alumino-silicate refractories, magnetite-alumina refractory, special high grade refractories, refractory cement, castable refractory and so on.
4. Do you provide samples?
Standard size sample is free, but the air freight is collect or you pay us the cost in advance.
5. What’s your MOQ?
Normally we don’t have particular requirements on the MOQ. But we will charge the mold cost when the quantity of per shape is small.
6. What’s your warranty?
We are very confident in our products. Any quality issues, we will deal with it immediately.
