|
Calcium Silicate Blocks General Description : Calcium Silicate Insulation Blocks and pipe coverings are made from Hydrated Calcium Silicate reinforced with no asbestos fibre. It is igid matrial with high compressice strength and low shrinkage at high temperature. Also the material has very low thermal condcutivity. The large blocks and pipe coverings can be easily cut and shaped at site with carpenter's tools.
-
Reduced fuel cost due to low thermal conductivity and low thermal capacity.
-
consistent physio thermal performance throughout its life.
-
Reduced heat loss due to fewer joints.
-
longer life of 3 to 4 times the fibrous material due to high strength and resistence to vibrations.
-
reduced installation cost due to simple fixing.
-
Zero maintenance for entire life of over 25 years.
-
Economical as compared to conventional insulation.
-
Can absorb thermal shocks.
-
Physiothermal properties remain unaffected after repeated water wetting and subsequent drying.
PRODUCT DATA : Grades Avaliable : HYSIL-1000 HYSIL-800 BLOCKS : Standard Size : 900*600 mm. 600*150 mm. Thickness : 25,40,50,65 & 75 mm. Special Sizes and Thickness available on request. Preformed, Rigid Pipe Coverings : To suit pi;e size NB 12.7 mm. (1/2") to cylindrical vessels of size 914.4 mm. (36") Pipe coverings in two half Sections, Radius Bevelled Lags (Curved Segments) and Bevelled Lags (Sidearch type). Standard Length :900 mm. Thickness : 50 and 75 mm. Other thickness available on reques. Technical Specifications
|
Grades
|
Hysil 1000
|
Hysil 800
|
|
Limiting Temp.
|
980oC
|
800o C
|
|
Density
|
250Kg/m3(nominal)
|
|
Linear Shrinkage
|
Temperature
|
Typical Values
|
After heating for 24 hours at limiting temperature shrinkage is less than 2%
|
|
950o C
|
0.02
|
|
800o C
|
0.01
|
|
Compressive Strength
|
700 kN/m2 (minimum)
|
Reduction in thickness less than 5% when subjected to compressive loads of: 415 kN/m2 - Unheated. 345 kN/m2 - After 24 hours heating at limiting Temperature. 170 kN/m2 - After 18 hours immersion in water.
|
|
Flexural Strength
|
250 kN/m2 (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.oC
|
200
|
300
|
400
|
500
|
Tested in accordance with BS 874 Cold face 40oC. Also as per I.S. 9490
|
|
W/m.K
|
0.07
|
0.08
|
0.09
|
0.11
|
|
Kcal/m.h.oC
|
0.06
|
0.07
|
0.08
|
0.1
|
|