No | items | unit | index |
1 | Slurry PH | 7-8 | |
2 | Slurry density | Kg/m3 | <1000 |
3 | Dry density | Kg/m3 | <250 |
4 | Slurry shrinkage | % | <2.5 |
5 | Insulation performance °C (thickness 20mm) |
Hot surface Cold noodles Hot surface Cold noodles |
200 <45 350 <70 |
6 | tensile strength | MPa | 200 °C -400 °C constant temperature 1h> 0.1 |
7 | Bond strength | KPa | 200 °C -400 °C constant temperature 1h >25 |
8 | Extreme heat and cold resistance -40°C-105°C Alternating |
Coating does not crack or fall off | |
9 | Impact resistance | 250g steel ball 1.5m high impact three times, the coating does not fall off | |
10 | Thermal conductivity average temperature 400℃ | w/m..k | <0.05 |
11 | Acid resistance | Soaked in 20% H2SO4 solution for 24 hours without cracking, falling off, insoluble |