bnz-miscellaneous

Zelieblok 1900 & 2000

ZelieBlok 1900S is a calcium silicate board manufactured by a unique patented process together with a patent protected formulation utilizing the highest quality raw materials. ZelieBlok 1900S 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.
16x16-pdf_icon[Download the 1900 data sheet]
16x16-pdf_icon[SDS Sheet]

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.
16x16-pdf_icon[Download the 2000S data sheet]
16x16-pdf_icon[SDS Sheet]


  
Typical Data   Zelieblok
    1900S 2000S
Maximum Surface Temperature

°C
°
F

1000
1832
1100
2012
Bulk Density (lb/ft3)
dry kg/m3
14 16.2
                           225 260
Modulus of Rupture
    ASTM C 133
 MPa
lb/in
²
1.9
275.5
1.2
174
Comprehensive Strength
   
MPa
lb/in
²
2.6
377
 1.6
232
Linear Shrinkage %    
    % 12 hrs at 1050°C 950   1.0 1.0
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 0.07
      400 °C           W/m²K   0.08 0.09
      600 °C           W/m²K   0.10 0.10
           
     392 °F            Btu-in/ft2, hr  °F   0.42 0.49
     752 °F            Btu-in/ft2, hr °F   0.55 0.62
     1112 °F          Btu-in/ft², hr °F   0.69 0.69
       
     To convert Btu-in/ft², hr, °F to Kcal-m²,hr, °C,
     multiply by 0.124.
     
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:

The above physical and thermal properties for our insulating bricks are derived from averaged values on standard squares in accordance with standard test methods. No guarantees or warranties are given or implied for the above values. These figures therefore are not to be used for specification purposes. Supply specifications are available on request. This information is supplied as a technical service and may change from time to time without notice.
All s.a. grades above are available in slab form up to 600 x 400 x 100 mm format.
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