
Zelieblok 1900 & 2000
ZelieBlok 2000S is a calcium silicate board manufactured by a unique patented process together with a patent protected formulation utilizing the highest quality raw materials. ZelieBlok 2000S is designed to serve as a backup insulation for any refractory construction, such as insulating fire brick, dense refractory brick, castable, gunning mix, plastic refractory or ceramic fiber.
[Download the 2000S data sheet]
[SDS Sheet]
| Typical Data | Zelieblok | ||
| 1900S | 2000S | ||
| Maximum Surface Temperature |
°C |
1000 1832 |
1100 2012 |
| Bulk Density | (lb/ft3) dry kg/m3 |
14 | 15.3 |
| 225 | 245 | ||
| Modulus of Rupture ASTM C 133 |
MPa lb/in² |
1.9 275.5 |
1.3 188.5 |
| Comprehensive Strength |
MPa lb/in² |
2.6 377 |
2.7 392 |
| Linear Shrinkage | % | ||
| % 12 hrs at 1050°C 950 | 1.0 | 1.5 | |
| Reversible Linear Thermal Expansion at 2000°F (1093°C) |
% | 0.06 | 0.06 |
| Thermal Conductivity | |||
| ASTM C-182 | |||
| Mean Temperature, °F (°C) | |||
| 200 °C W/m²K | 0.06 | 0.08 | |
| 400 °C W/m²K | 0.08 | 0.10 | |
| 600 °C W/m²K | 0.10 | 0.12 | |
| 800 °C W/m²K | 0.14 | ||
| 392 °F Btu-in/ft2, hr °F | 0.42 | 0.55 | |
| 752 °F Btu-in/ft2, hr °F | 0.55 | 0.69 | |
| 1112 °F Btu-in/ft², hr °F | 0.69 | 0.83 | |
| 1472 °F Btu-in/ft², hr °F | 0.97 | ||
| To convert Btu-in/ft², hr, °F to Kcal-m²,hr, °C, multiply by 0.124. |
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| Chemical Analysis | % | ||
| Alumina – Al2O3 | 0.2 | 0.3 | |
| Silica – SiO2 | 45 | 47.0 | |
| Ferric Oxide – Fe2O3 | 0.2 | 0.3 | |
| Sodium Oxide – NA2O | 0.7 | 0.1 | |
| Calcium Oxide – CaO | 45.0 | 45.0 | |
| Magnesium Oxide – MgO | 0.1 | 0.6 | |
| Potassium oxide — K2O | 0.2 | 0.1 | |
| Loss on ignition, 1025°C | 8 | 6 | |
Disclaimer:
All s.a. grades above are available in slab form up to 600 x 400 x 100 mm format.