insulation brick
DKJL CO., LTD. [China] 
insulation fire brick has 1. Low thermal conductivity 2. Low thermal capacitance 3. Low impurity content 4. High strengt
| Items | Testing Temperature (ºC) When reheated with 2% contracting rate | Volume Density g/cm3 | Pressure Strength kgf/ cm2 | Thermal Conductivity kcal/mhºC (350ºC) | |
| 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 | |
insulation brick
