AL70 is a Calcium Aluminate Cement

Applications:

  • Binder for monolithic refractories
  • Ideal for the manufacture of refractory material
  • Binder for high temperature monolithic applications
Product Specification
Chemistry(by XRF)
Parameter Minimum Typical Maximum
Al2O3(%) 68.0 70.0 72.0
CaO (%) 27.0 29.0 31.0
SiO2 (%) - 0.1 0.4
Fe2O3 (%) - 0.1 0.2
MgO (%) - 0.3 0.4
Na2O (%) - 0.1 0.3
Physical Properties
Ignition Loss (RT - 950ºC) (%) - 0.4 -
Surface Area (m2/g) - 4.0 -
D50(μm) - 6.0 -
Mineralogical Composition (X-Ray Diffraction)
CA - 81.7 -
CA2 - 9.5 -
A - 8.8 -
Sand Mortar Properties – CEN Standard EN 196-1 (25% cement)
Water / Cement ratio - 0.5 -
Flow after mixing (%) - 20 -
Flow after 30 min (%) - 15 -
Initial setting time (Min) - 60 -
Final setting time (Min) - 180 -
Workability (Min) - 40 -
Compressive Strength after 110°C x 24h, MPa >30 40 -

 

The information contained above is correct to the best of our knowledge. Any suggestion or information is made without any guarantee or warranty because conditions of product usage are beyond our control. Suitability of any product for any particular application is the sole responsibility of the user and ACTech disclaims any liability for losses, damages or expenses, if any.
All physical and chemical results given above are as per ACTech standard methods. Free copies of our test methods can be obtained on request.