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Product
Properties Vs. Relevant Standards
“SONASIL”
– Calcium Silicate Insulation (CSI)
SONASIL is available in the form of Blocks, Pipe sections,
Segments & Powder
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Properties
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IS
9428: 1993
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ASTM
C 533:90
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SONASIL
Grade:
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Type
1
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Type
II
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800
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1000
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Temperature(°C), Max.
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950
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649
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871
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800
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1000
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Bulk
Density (kg/m³)
Test Values:
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200-320
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(max.)
240
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(max)
240
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220-270
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230-275
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Compressive
strength
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Reduction
in thickness, max.
Dry,under a load 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:
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5%
5%
5%
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5%
-
-
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5%
-
-
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3%
3.5%
3.5%
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3%
3.5%
3.5%
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Flexural
Strength (kN/m²),min.
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240
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310
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310
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400
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400
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Heat
Resistance after heat soak at max. temp. for 24 hrs.
Linear
shrinkage (length), Max.
Loss in mass, max:
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2%
15%
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2%
-
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2.5%
-
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1.6%
10%
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1.8%
9%
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Thermal
conductivity (W/mk), |
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* |
* |
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Max.
at mean temp.
200
°C
300
°C
400
°C
500
°C
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0.080
0.097
0.121
0.148
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0.079
0.095
-
-
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0.095
0.110
0.136
-
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0.070
0.080
-
-
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0.080
0.090
0.105
0.120
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Cold
Crushing Strength
(CCS), (N/mm²),
min.
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-
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-
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-
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1.4
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1.5
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Moisture
content (%),max. |
7.5
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-
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-
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6.5
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6.0
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Alkalinity,
pH |
8-11
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-
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-
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9
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9
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Dimensional
Tolerance (mm) |
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| Length/Width:
Thickness:
Pipe
inside diameter:
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±3
-1.5,+3
-0,+5
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±3.2
±3.2
-
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±3.2
±3.2
-
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±2
-1.5,+2
-0,+5
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±2
-1.5,+2
-0,+5 |
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ASTM thermal conductivity values correspond to mean
temperatures of
204, 316 & 427
°C.
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Note:
Tests are
performed to relevant standards.
Values given are typical values
obtained from laboratory specimens under standard test conditions and
are not for use as maxima or minima in specifications.
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Conversion
to conventional units
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1
Kcal/m.hrºC
=
6.933 Btu.in/ft² hr.ºC
=
1.163 W/mºK
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1
Kg/m³
=
0.06243 Lb/ft³
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1
KN/m²
=
0.145 Lb/in²
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IS 9428: 1993 refers to relevant Indian Standard
ASTM C533: 90 refers to relevant American Standard of
Testing &
Materials, U.S.A.
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