Bê tông trọng lượng nặng

Product Name
Ecokast HW 14
Ecokast HW 14 HS
Ecokast HW 16
 
Physical Properties (after firing) 
ASTM Classification
Class C
Class C
Class D
Max. Service Temperature (°C)
1400
1400
1550
Chemical Analysis (XRF)
AL2O3 (%)
42
45
52
SiO2 (%)
44
44
34
Fe2O3 (%)
2.5
2.5
1.5 Max
Bulk Density (ASTM C134)
Dried at (110°C)
Maximum (Kg/m³)
2100
2100
2250
Fired to (815°C)
2050
2050
2100
 (1400°C)
2050
2050
 
(1550°C)
 
 
2300
Cold Crushing Strength (ASTM C133)
Dried at (110°C)
Minimum (Kg/cm2)
280
400
460
Fired to (815°C)
200
200
230
 (1400°C)
280
280
 
(1550°C)
 
 
420
Permanent Linear Change (ASTM C113)
Fired to (815°C)
Maximum (%)
-0.20
-0.20
-0.20
 (1400°C)
-1.50
-1.50
 
(1550°C)
 
 
-1.50
Thermal Conductivity (BS 1902)
 
 Mean Temp. (°C)
 
400
W/mK
0.60
0.60
0.79
600
0.62
0.62
0.86
800
0.67
0.67
0.89
 

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