Good Resistance to Abrasion and Corrosion Silicon Carbide Stopper Bricks
Silicon carbide stopper brick featuer:
The dimensions are more exactly.
Low iron content and impurities
Good thermal stability;
High refractoriness,
Good anti alkaline /acid erosions.
Silicon carbide stopper brick application:
Silicon carbide stopper brick is mainly used for masonry rotary kiln lining.
Technical Index:
| Item/Grade |
SK-32 |
SK-34 |
SK-36 |
SK-37 |
SK-38 |
| AL2O3 % (≥) |
35 |
38 |
55 |
65 |
70 |
| Fe2O3 % (≤) |
2.5 |
2.5 |
2.0 |
2.0 |
2.0 |
| Refractoriness(SK) |
32 |
34 |
36 |
37 |
38 |
| Refractoriness under load, 0.2MPa, °C(≥) |
1300 |
1360 |
1450 |
1480 |
1530 |
| Apparent porosity (%) |
22-24 |
20-22 |
20-23 |
20-23 |
20-22 |
| Bulk density (g/cm³) |
1.95-2.1 |
2.1-2.2 |
2.25-2.4 |
2.3-2.5 |
2.4-2.6 |
| Cold crushing strength ,MPa (≥) |
25 |
30 |
45 |
50 |
60 |
| Thermal expansion at 1000°C (%) |
0.6 |
0.6 |
0.3 |
0.3 |
0.2 |
Manufacturing Process Flow:
Rough Materials-Mixing-Batching -Shaped-Drying-Sintering-Inspect-Packing-Delivery
FAQ:
1. Do you provide samples?
Standard size sample is free, but the air freight is collect or you pay us the cost in advance.
2. 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.
3. What’s your warranty?
We are very confident in our products. Any quality issues, we will deal with it immediately.
