HYSIL BLOCKS SPECIFICATION

GRADES

Max. Recommended Operating Temp. &#176(C)

H-800     –  800
H-1000  –  1000
H-1100  –  1100

SIZES

Thickness (in mm)
25, 40, 50, 65, 75 & 100

Standard Size (in mm)
1000×500
900×600
600×15
500×150
450×150

HYSIL BLOCKS SPECIFICATION

HYSIL TECHNICAL SPECIFICATIONS ( H 1100 BLOCKS)

PHYSICAL PROPERTIESUNIT SPECIFICATION TYPICAL VALUE TEST PROCEDURE
        
Dry Bulk Densitykg/m³ 260 – 300 280 IS : 5688
        
Flexural strengthkN/m² (min) 600 650 IS : 5688
        
Compressive Strength, reduction in thickness(%) not to exceed :      
   
I) dry under a load of 415 kN/m² 5.0 1.6 IS : 5688
II) wet (after 18 hrs immersion in water ) under a load of 170 kN/m² 5.0 1.7 IS : 5688
      
        
As shipped Moisture Content, by weight %, (max) 7.5 5.0 IS : 9428
        
Alkalinity pH 8 – 11 9.5 IS : 9428
        
        
THERMAL PROPERTIESUNIT SPECIFICATION TYPICAL VALUE TEST PROCEDURE
        
Heat Resistance       
I) Linear Shrinkage(length) at 1050°C/12 Hrs., % (max) 1.5 1.3 IS : 5724
II) Loss In Mass,% (max) 10.0 9.2 IS : 5724
*III) Compressive Strength, reduction in thickness(%) not to exceed under a load of 345 kN/m² 5.0 1.5 IS : 5688
      
        
Thermal Conductivity at mean temperature,
W/mK (max)
     IS : 9490
300 °C  0.076 0.071  
400 °C  0.090 0.084  
500 °C  0.110 0.102  
550 °C  0.114 0.109  
        
Packaging : Polythene Shrink wrap Packing / Cardboard Box Packing / Pallet Packing
Dimensional Tolerance of Flat Blocks:
i) Length and Width : 3 mm,
ii) Thickness : (-) 1.5 mm to (+) 3 mm.