Calcium Silicate Boards
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Calcium Silicate Boards
| Properties | ASTM C 533:90 | HE Grade: | ||
|---|---|---|---|---|
| Type I | Type II | 800 | 1000 | |
| Temperature(˚C),Max, | 649 | 871 | 800 | 1000 |
| Bulk Density (kg/m3) | max() | max() | ||
| Test Values: | 240 | 240 | 220-270 | 230-275 |
| Compressive Strength | ..... | ..... | ..... | ..... |
|
Reduction in thickness,Max. Dry,under aload of 415 kN/m2: Wet,under a load of 170 kN/m2, after 18 hrs. of immersion in water: Dry,under a load of 345 kN/m2, after 24 hrs. heat soak: |
.... 5% ..... ..... |
.... 5% ..... ..... |
.... 3% 3.5% 3.5% |
.... 3% 3.5% 3.5% |
| Flexural Strength (kN/m2),min. | 310 | 310 | 400 | 400 |
|
Heat Resistance after heat soak at max. temp. for 24 hrs Linear shrinkage (length), Max. Loss in mass, max: |
2% ..... |
2.5% ..... |
1.6% 10% |
1.8% 9% |
| Thermal Conductivity (W/mk) | ..... | ..... | ..... | ..... |
|
Max. at mean temp. 200 ?C 300 ?C 400 ?C 500 ?C |
0.079 0.095 ..... ..... |
0.095 0.110 0.136 ..... |
0.070 0.080 ..... ..... |
0.080 0.090 0.105 0.120 |
| Cold Crushing Strength (CCS), (N/mm²), min. | ..... | ..... | 1.4 | 1.5 |
| Moisture content(%),max. | ..... | ..... | 6.5 | 6.0 |
| Alkalinity , pH | ..... | ..... | 9 | 9 |
| Dimensional Tolerance | ..... | ..... | ..... | ..... |
| Length/Width: | ?3.2 | ?3.2 | ?2 | ?2 |
| Thickness: | ?3.2 | ?3.2 | -1.5,+2 | -1.5,+2 |
| Pipe inside diameter: | ..... | ..... | -0,+5 | -0,+5 |
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