Yeda’s innovative silica insulation bricks are crafted from carefully chosen minerals, shaped through dry pressing, and then high-temperature sintered in a tunnel kiln.
| Item | Unit | YD-0.5 | YD-0.6 | YD-0.8 | YD 1.0 |
| Shaping Method | – | Press | Press | Press | Press |
| Classification Temperature | °C | ？ | 1500 | 1550 | 1600 |
| Bulk density | g/cm3 | 0.5 | 0.6 | 0.8 | 1 |
| Cold crushing strength | MPa | 1.5 | 1.5 | 4 | 5 |
| Permanent Linear Change | % | 0.5
(1400℃*8h) |
0.3
(1450°C*8h) |
0.9
(1550°C*8h) |
0.2
(1600°C*8h) |
| 0.1MPa Refractoriness Under Load | °C | 1250 |
— |
— |
1569 |
|
|
Thermal Conductivity
|
400°C | w/m.k | 0.34 | 0.36 | 0.37 | |
| 800°C | w/m.k | 0.38 | 0.46 | 0.52 | ||
| 1000°C | w/m.k | 0.46 | 0.54 | 0.58 | ||
|
Chemical Composition
|
SiO2 | % | 93.6 | 94.5 | 94 | |
| Al2O3 | % | 3 | 2.2 | 1.5 | ||
| Fe2O3 | % | 0.7 | 0.6 | 1 | ||
| CaO | % | 2.5 | 2.5 | 2.8 | ||
(The technical data represent average values established according to test procedures in our laboratory. They serve to give general information, and they are liable to natural deviations depending on production and shape, They are not to be cited and guaranteed properties or guaranteed values.)
