Calcium Silicate Boards

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  .....  ..... 
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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