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- Contact Person : Ms. lee nicole
- Company Name : DKJL CO., LTD.
- Tel : 86-10-62197466-324
- Fax : 86-10-62137685
- Address : Beijing,Beijing,NO.606,HENGRUN CENTER, NO.32 BEISANHUAN WEST ROAD
- Country/Region : China
- Zip : 100086
heat Insulation fire Brick
Product Detailed
Related Categories:Other Heat Insulation Materials
insulating fire brick has
1. Low thermal conductivity
2. Low thermal capacitance
3. Low impurity content
4. High strength
| Items | Testing Temperature (C) When reheated with 2% contracting rate | Volume Density g/cm3 | Pressure Strength kgf/ cm2 | Thermal Conductivity kcal/mhºC (350C) | |
| A | A-1 | 900 | ≤0.50 | ≥5 | ≤0.13 |
| A-2 | 1000 | ≤0.50 | ≥5 | ≤0.14 | |
| A-3 | 1100 | ≤0.50 | ≥5 | ≤0.15 | |
| A-4 | 1200 | ≤0.55 | ≥8 | ≤0.16 | |
| A-5 | 1300 | ≤0.60 | ≥8 | ≤0.17 | |
| A-6 | 1400 | ≤0.70 | ≥10 | ≤0.20 | |
| A-7 | 1500 | ≤0.75 | ≥10 | ≤0.22 | |
| B | B-1 | 900 | ≤0.70 | ≥25 | ≤0.17 |
| B-2 | 1000 | ≤0.70 | ≥25 | ≤0.18 | |
| B-3 | 1100 | ≤0.75 | ≥25 | ≤0.20 | |
| B-4 | 1200 | ≤0.80 | ≥25 | ≤0.22 | |
| B-5 | 1300 | ≤0.80 | ≥25 | ≤0.23 | |
| B-6 | 1400 | ≤0.90 | ≥30 | ≤0.27 | |
| B-7 | 1500 | ≤1.00 | ≥30 | ≤0.31 | |
| C | C-1 | 1300 | ≤1.10 | ≥50 | ≤0.30 |
| C-2 | 1400 | ≤1.20 | ≥70 | ≤0.38 | |
| C-3 | 1500 | ≤1.25 | ≥100 | ≤0.45 | |
| Main property | Classifytemperature °C | Apparent density kg/m3 | Chemical component Wgt % | Bending strength Mpa | Cold crushing strength Mpa | |||
| Al2 O3% | SiO2% | Fe2 O3% | K2 O + Na2O% | |||||
| DM20 | 1100 | 550 | 45.00 | 50.00 | 1.00 | 1.00 | 0.70 | 0.80 |
| DM23 | 1260 | 530 | 45.00 | 51.00 | 0.80 | 0.72 | 0.70 | 1.00 |
| DM25 | 1350 | 800 | 52.00 | 41.55 | 0.62 | 0.81 | 1.20 | 1.80 |
| DM26 | 1430 | 780 | 59.00 | 37.00 | 0.70 | 0.70 | 1.80 | 2.00 |
| DM28 | 1540 | 880 | 64.00 | 32.00 | 0.60 | 0.60 | 2.00 | 2.50 |
| DM30 | 1600 | 1000 | 70.00 | 28.00 | 0.33 | 0.21 | 2.00 | 3.00 |
| JM23 | 1260 | 480 | 37.00 | 44.40 | 0.70 | 1.10 | 1.00 | 1.20 |
| JM26 | 1430 | 800 | 58.00 | 39.10 | 0.70 | 1.70 | 1.50 | 1.60 |
| JM28 | 1540 | 890 | 67.10 | 31.00 | 0.60 | 0.90 | 1.80 | 2.10 |
| JM30 | 1650 | 1020 | 73.40 | 25.10 | 0.50 | 0.90 | 2.10 | 2.20 |
heat Insulation fire Brick
