Tri-Mor Alcast Extra

Tri-Mor Alcast Extra

This is a bauxite based castable which has been specifically developed for applications in molten aluminium. Molten metal penetration and corundum growth can be significantly reduced.

Bond Type Hydraulic – Ceramic   
Raw Material Base Bauxite   
Maximum Service Temperature °C 1400   
Refractoriness °C (Seger Cone) 1670 (30)   
Bulk Density kg/m3 Dried to 110°C 2900   
Net Material Required Cast (Gunned) kg/m3 2900 (n/a)   
Physical Properties     
Test Temperature
 Cold Crushing Strength
 Permanent Linear Change
110 50 nil 
800 100 -0.2 
1000 100 -0.4 
1300 100 -0.4 
1400 100 +/-1.5 
Thermal Conductivity at mean temp. 600°C (W/mK) 2.3   
Chemical Analysis (%)     
Al2O3 78   
SiO2 12   
CaO 0.7   
Fe2O3 1.1   
Water Addition     
% by weight 5.0-5.8   
Litres/25kgs 1.25-1.45   
Samples Prepared By : Vibrocasting   
Note : The above typical values shown are based on average test result on standard samples. Properties are subjected to reasonable variation based on product shape etc. and hence should be considered for general guidence only.
The above data is determined by regular sample testing in accordance with British Standard 1902 (where applicable). Because normal manufacturing tolerances apply, the data should not be taken as a precise specification.

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