Technical Data
Limiting Temperature:
Grade |
Temp |
CALCIUM BLOCkS-1000 |
980°C |
CALCIUM BLOCkS-800 |
800°C |
Density:
250 kg/m
(Nominal)
Linear Shrinkage:
After heating for 24 Hrs. at limiting temperature.
Shrinkage: Less than 2%
Temp |
Typical Values |
980°C |
1.7% |
800°C |
1.2% |
Compressive Strength:
Compressive strength 700 kN/m
minimum. Reduction in thickness - less than 5% when subjected to
compressive loads of :
415 kN/m
- Unheated
345 kN/m
- After 24 hrs. Heating at limiting temperature.
170 kN/m
- After 18 hrs. Immersion in water.
Flexural Strength:
250 kN/m
minimum
Tested as per IS-5688
Fire Safety:
HYSIL is non-combustible when tested in accordance with BS: 476 Part
4. Also surface spread of flame test. (Large scale) as per BS-476 Part
7 Classified as Class-1.
Thermal Conductivity:
Mean
Temp°C |
200
|
300
|
400
|
500
|
W/m.K |
0.067
|
0.078
|
0.092
|
0.112
|
kcal/m.h.°C |
0.057
|
0.067
|
0.079
|
0.096
|
Tested in accordance with BS 874 Cold face 40°C.
Also as per I.S. 9490 and I.S. 3346
CALCIUM BLOCUS Grades 1000/800 exceed the
requirements of I.S. 9428, IS 8154 as well as BS 3958 Part 2 & ASTM
C-533.
The values quoted are from laboratory tests on typical samples and
represent averages. They should not be used as maxima or minima in
specifications.
|