1.1 Non-Asbestos Calcium Silicate Insulation Products (650℃)
650°C Calcium Silicate products are widely used as thermal insulation of piping and equipment in power station, petrochemical industries, steel mill, Chemical industry, ship-building, machinery and other fields. It can also be specified to use in furnace as backing material of refractory bricks.
Moisture-resistant calcium silicate products are also used as waterproof materials.
650°C Calcium Silicate Physical properties
| Item |
Unit |
Technical data |
Chinese Standard GB-10699-98 |
||
|
Bulk density (max.) |
Kg/m3 |
170 |
220 |
500 | 220 |
|
Flexural strength(min.) |
Mpa |
0.25 |
0.3 |
1.0 |
0.3 |
|
Compressive strength (min.) at 5% deformation |
Mpa |
0.5 |
0.6 |
2.0 |
0.5 |
|
Linear shrinkage (max.) after heating for 16h at 650 °C |
% |
2 |
2 |
2 |
2 |
|
Thermal conductivity (max.) average temp.70° |
w/m .k |
0.052 |
0.056 |
0.1 |
0.065 |
|
Service temp. (max.) |
°C |
650 |
650 |
650 |
650 |
|
Moisture content (max.) |
% |
7.5 |
7.5 |
7.5 |
7.5 |
Dimension
<1> Board: Length*Width: 610*150mm Thickness: 25mm-75mm 610*300mm
<2> Pipe Cover: Inside diameter: 16-171mm; Thickness: 25-75mm; Length: 600mm
<3> Curved sheet: Inside diameter: 196-3560mm; Thickness: 25-75mm; Length: 600mm
(We can provide other specifications according to requirements.)
Tolerance for different shaped products
| Items | Allowable dimension tolerance (mm) | Surface Crack (Spot) | |||
| Length Width | ID | Thickness | Broken Edge | Broken Corner | |
| Board | +3 +3
-2 -3 |
+3-2 |
1 |
1 |
|
| Pipe Cover | +3-2 |
+3 0 |
0-2 |
1 |
1 |
| CurvedSheet | +3-2 | +50 | 0-2 |
1 |
1 |
1.2 Non-Asbestos Calcium Silicate Insulation Products (1000℃)
1000°C Calcium Silicate products are recommended as thermal insulation in stove, cave dwelling of steel mill, petrochemical industries, ceramics, glass, cement and power industries etc..
1000°C Calcium Silicate Physical properties
|
Item |
Unit |
Technical Data | |||
|
Bulk density (max.) |
Kg/m3 |
135 |
170 |
220 |
300 |
|
Flexural strength(min.) |
Mpa |
0.2 |
0.3 |
0.35 |
0.4 |
|
Compressive strength (min.) at 5% deformation |
Mpa |
0.4 |
0.6 |
0.7 |
0.8 |
|
Linear shrinkage (max.) after heating for 16h at 650 °C |
% |
2 |
2 |
2 |
2 |
|
Thermal conductivity (max.) average temp.70° |
w/m .k |
0.049 |
0.055 |
0.058 |
0.07 |
|
Service temp. (max.) |
°C |
1000 |
1000 |
1000 |
1000 |
Dimension
<1> Board: Length*Width: 610*150mm, 600*305mm Thickness: 25mm-75mm
<2> Pipe Cover: Inside diameter: 16-171mm; Thickness: 25-75mm; Length: 600mm
<3> Curved sheet: Inside diameter: 196-3560mm; Thickness: 25-75mm; Length: 600mm
(We can provide other specifications according to requirements.)
Tolerance for different shaped products
| Items | Allowable dimension tolerance (mm) | ||
| Length Width | ID | Thickness | |
| Board |
+3 +3 -2 -2 |
+3 -2 |
|
| Pipe Cover |
+3 -2 |
+3 0 |
0 -2 |
| CurvedSheet |
+3 -2 |
+5 0 |
0 -2 |