Refractory Raw Material SiO2 18% Corundum Mullite Compounding Brick
Introduction:
Corundum mullite compounding brick manufactured by our company can extend the service life for 3-5 monthes and has the advantage of high temperature resistance, good abrasion resistance, good thermal shock resistance.
Technical Index:
| Item |
Corundum Mullite Compounding Brick |
| Heavy |
Light weight |
| Chemical content % |
Al2O3 |
≥80 |
≥35 |
| SiO2 |
≤18 |
50~55 |
| Cr2O3 |
/ |
/ |
| ZrO2 |
/ |
/ |
| Fe2O3 |
≤0.8 |
/ |
| Apparent Porosity % |
≤18 |
/ |
| Crushing Strength MPa |
≥90 |
≥30 |
| RUL ℃ |
≥1650 |
≥1350 |
| Thermal Shock Resistance 1100℃ |
≥25 |
/ |
| Bulk Density g/cm³ |
≥2.8 |
≤2.0 |
|
Thermal Conductivity ,w/m.k
(600℃±25℃)
|
2.0 |
1.0 |
| Refracoriness (℃) |
≥1790 |
≥1730 |
| Linear Change on Reheating(1350x3h,%) |
±0.1 |
±0.1 |
FAQ:
1. 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.
2. Do you provide samples?
Standard size sample is free, but the air freight is collect or you pay us the cost in advance.
3. 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.
