Loading Port:Qingdao
Payment Terms:TT OR LC
Min Order Qty:10 m.t.
Supply Capability:100000 m.t./month
Fire Clay Brick Features:
1. Clay brick Good thermal stability, low thermal conductivity, good insulation performance.
2. Clay brick Low bulk density, good integrity, high mechanical strength.
3. Clay brick Good thermal shock stability, good resistance to abrasion and corrosion.
4. Good volume stability at high temperature.
5. Clay brick Low water absorption rate, low creeping rate.
6. Natural clay products, could be shaped freely, non-radioactive and environmentally friendly.
7. Clay brick Two casted method: down draft kiln and tunnel kiln. General sintering temperature: 1280-1350 °C
| Fire Clay Brick Physical And Chemical Index: | |||||||||
| Item | Properties | ||||||||
| N-1 | N-2a | N-2b | N-3a | N-3b | N4 | N5 | N6 | ||
| Refractoriness°C | 1750 | 1730 | 1730 | 1710 | 1710 | 1690 | 1670 | 1580 | |
| Softening temperature under load | 1400 | 1350 | 1320 | 1300 | |||||
| Permanent linear change% | 1400°CX 2h | 0.1 | 0.1 | 0.2 | |||||
| -0.4 | -0.5 | -0.5 | |||||||
| 1350°CX 2h | 0.2 | 0.2 | 0.2 | 0.2 | |||||
| -0.5 | -0.5 | -0.5 | -0.5 | ||||||
| Apparent porosity% | 22 | 24 | 26 | 24 | 26 | 24 | 26 | 28 | |
| Cold Crushing strength MPa | 30 | 25 | 20 | 20 | 15 | 20 | 15 | 15 | |
| Bulk density,g/cm3 | 2.0-2.2 | ||||||||
| Application | 1.Glass furnace 2.Heating furnace 3.Hot blast stove 4.Blast furnace 5.Metal melting furnace 6.Bolier 7.Pizza oven 8.All industrial furnace | ||||||||
| SK32 SK34 SK36 SK38 SK40 Refractory Fire Brick | |||||
| Item | Properties | ||||
| SK-32 | SK-34 | SK-36 | SK-38 | SK-40 | |
| Al2O3 ,% | ≥35 | ≥38 | ≥55 | ≥70 | ≥82 |
| SiO2 ,% | ≤62 | ≤54 | ≤38 | ≤28 | ≤10 |
| Fe2O3 ,% | ≤3.0 | ≤2.5 | ≤2.0 | ≤2.0 | ≤2.0 |
| Refractoriness°C | ≥1710°C | ≥1750 | ≥1790 | ≥1850 | ≥1850 |
| Bulk density, g/cm3 | ≥2.0 | ≥2.15-2.2 | ≥2.25-2.30 | ≥2.4-2.5 | ≥2.5-2.6 |
| Application | Pizza oven,All industrial furnace | ||||
FAQ
Q4: What is the minimum quantity?
A4: There is no minimum order quantity. Depending on the item and processing, there may be a minimum production required, however we can offer a quotation based only on the quantity you need.
Q5: Can you give me a brief introduction of the application of your products?
A5: CNBM (China National Building Material) core refractory business comprises the production, sale and installation of high-grade refractory products, the development and implementation of customized system solutions as well as rendering outstanding services for the key industries in Glass, Iron& Steel, Petrochemical, Cement, Ceramic and Nonferrous Metals.
