1000℃ Calcium Silicate Insulation Board
2.It is a kind of high efficient energy-saving material with temperature limited 1050℃.
3.Characterised by low bulk density,high specific strength,superior heat resistance,outstanding thermal insulation,excellent durability,chemical corrosion resistance,easy to be cut by saw and easy installation.
Technical data sheet
Chemical analysis
SiO2 |
46%-48% |
Al2O3 |
0.39%-0.42% |
Fe2O3 |
0.3%-0.4% |
CaO |
39%-41% |
MgO |
0.5%-0.7% |
Na2O-K2O |
0.9%-0.12% |
Lgnition loss (mainly H2O): 8%-11% |
RS-230 |
RS-250 |
RS-270 |
||||
Bulk density(dry) |
kg/m3 |
230±10% |
250±10% |
270±10% |
||
Modulus of rupture |
MPa |
≥0.45 |
≥0.50 |
≥0.55 |
||
Cold crushing strength (At 5% deformation room temp.) |
MPa |
≥0.60 |
≥0.80 |
≥0.90 |
≥1.0 |
|
Service temp. Limit |
℃ |
1000 |
1000 |
1000 |
1000 |
|
Linear shrinkage 1000℃×16h |
% |
≤2 |
≤2 |
≤2 |
||
Thermal conductivity |
W/m.k |
0.075 |
0.085 |
0.095 |
0.098 |
|
400℃ |
0.098 |
0.100 |
0.108 |
0.110 |
||
600℃ |
0.150 |
0.152 |
0.156 |
0.158 |
||
800℃ |
0.210 |
0.214 |
0.216 |
0.218 |
||
Compression strength at 10% deformation after 1000℃×16h |
MPa |
0.32 |
0.40 |
0.45 |
0.50 |
|
Porosity |
% |
90.8 |
90.6 |
90.4 |
90 |
|
Moisture content by weight |
% |
3-5 |
3-5 |
3-5 |
3-5 |
|
PH value |
|
8-9 |
||||
Colour |
|
White |
||||
Surface condition |
|
1.Original dimple pattern 2.Double polished,smooth,good flatness |
Size
Length (mm) |
Width(mm) |
Thickness(mm) |
400 |
250 |
|
500 |
500 |
25-120 |
600 |
300 |
25-120 |
1000 |
500 |
25-120 |
1000 |
600 |
25-120 |
1080 |
950 |
|
1220 |
900 |
50-110 |
1220 |
1220 |
50-110 |
This board can be sawing,drilling,milling,digging.Other sizes also can be customized. |
Features
1.Low bulk density,low heat storage,low thermal conductivity;
2.Good thermal stability,small linear shrinkage when heating;
3.High mechanical strength,excellent creep resistance;
4.Long service life,no pulverization such like ceramic fiber blanket;
5.Safe and clean operation-contains no carcinogens,free from asbestos,suiphur and chloride.
1000℃ calcium silicate insulation boards are used on all kinds of industrial branches to provide high quality insulating backing.
In kiln system,it is not exposed to the fire.Detailed application as below:
1.Cement industry:preheaters and cyclone separators,decomposition kiln,tertiary air duct and cooler
2.Nonferrous metallurygical industry: aluminum power calcinerand electrolysis groove,
3.Petrochemical industry: splitting furnace,catalytic cracking furnace,petroleum pipeline,underground heat- flooding
4.Metallurgical industry(steel plant):hot-rolling heat furnace,cool-rolling mill set,RH vacuum degassing furnace,smelters,hot deformation and heat treatment plants
5.Power plant:preheat stove,pipe
6.Glass industry:melting furnace andrecuperator,annealing furnace and cooling channels
7.Ceramic industry: chamber and tunnel furnace