ceramika ogniotrwała Refractory and insulating materials Feuerfestes und isoliermaterial
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Conventional heat-resistant chamotte concretes

Symbol Granularity
[mm]
Max. working
temp.[oC]
Min. common
refractoriness sP
Min. Al2O3
content [%]
Concrete consumption [t/m3] Make-up water amount [l/100kg]

BŻS110

0-3 - 0,5 1100 127   1,85 12

BOS125

0-3 - 0,5 1250 145 32 1,9 11

BOS135

0-3 - 0,5 1350 154 35 2,1 10

BOS145

0-3 - 0,5 1450 171 45 2,3 10

Technical parameters after drying and baking

Symbol after drying in 110 °C after baking in working temperature
Effective porosity
[%]
Apparent density
[g/cm3]
Shear strength
[MPa]
Effective porosity
[%]
Apparent density
[g/cm3]
Shear strength
[MPa]
Contraction (-) [%]

BŻS110

25 1,85 10 31 1,79 15 -1

BOS125

25 1,85 25 27 1,9 20 -1

BOS135

20 2,15 25 25 2,1 20 -1,3

BOS145

23 2,2 30 28 2,3 25 -1,5

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