1.High strength but low weight. 2.Lower thermal conductivity. 3.Good durability,can bear high temperature withing the limit.
Refractory calcium silicate pipe :
1.High strength but low weight.2.Lower thermal conductivity.3.Good durability,can bear high temperature within the limit of continuous heat load.
4.Alumina silicate pipe
Application of refractory silicate pipe:
This products are used as thermal insulation in power stations,petrochemical plants,petroleum refineries,heat distributing systems and other process industries. The physical properties are as follows:
Physical properties of refractory calcium silicate pipe:
| Item | Unit | Data |
| Density | Kg/m3 | ≤220 |
| Compressive Strength | Mpa | ≥0.688 |
| Flexural strength(min.) | Mpa | ≥0.35 |
| Linear shrinkage(max) | % | ≤2.0 |
| Thermal conductivity(max.) | w/m.k | ≤0.065 |
| Service temp.(max) | °C | 650-1000 |
Physical properties | Unit | Company Standard | National Institute of Standards | ||
A-200 | A-230 | ||||
Volume density | Kg/ | 200(±10%) | 230(±10%) | 200230 | |
Bending strength | Mpa | 0.45 | 0.51 | 0.40 | |
Compressive strength | Mpa | 0.52 | 0.56 | 0.4 | |
Thermal conductivity | W/m.k | 0.0500.00011t | 0.0530.00011t | 0.055 | |
The maximum temperature |
| 1050 | 1050 | 1050 | |
Line shrinkage | % | 1.5(1050,3hrs) | 1.5(1050,16hrs) | 1.5(1050,16hrs) | 1.5(1050,16hrs |
Refractory alumina silicate pipe
