Ceramsite – Technical Specification

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Thermal expansion :

Type de sable

Dilatation thermique linéaire [10-6·K-1]

20 – 300ºC

20 – 600ºC

20 – 800ºC

Silice

14.0

23.0

17.0

Chromite

7.1

7.5

7.5

Zircon

3.4

4.1

4.5

Cerabeads

3.5

4.0

4.3

Bauxite

7.1

7.3

7.2

Composition :

Al2O3 78-85%
SiO2 8-12%
Fe2O3 3.5% (max)
TiO2 3.5% (max)
Refractoriness 1850C (3362F)
Angle Coefficient 1.1 (max)
Thermal Expansion (at 100°C) 0.15
Thermal Conductivity 0.196 W/m.K
Specific Heat 873 J/kg
Bulk Density 1.9-2.2 g/cm3
pH Value 7.65
Shape Solid Sphere
Binder Content Required 3-4%
Crushability 112