Heat – Setting Dry Mortars

Technical Data of Heat – Setting Dry Mortars

Brand NameAM 30AM 40AM 45AM 50AM 60AM 70
Chemical Composition (wt%):-      
Silica (SiO2)50.0 – 55.050.0 – 52.040.0 – 44.030.0 – 34.020.0 – 24.010.0 – 14.0
Alumina (Al2O3)30.0 – 35.038.0 – 40.048.0 – 52.058.0 – 62.068.0 – 72.078.0 – 82.0
Titania, (TiO2)2.6 – 2.82.6 – 3.02.0 – 2.22.1 – 2.32.4 – 2.62.6 – 2.8
Iron (Fe2O3)≤ 2.0≤ 1.5 ≤ 1.5 ≤ 1.6 ≤ 1.6 ≤ 1.4
Lime (CaO) ≤ 0.40 ≤ 0.35 ≤ 0.30 ≤ 0.30 ≤ 0.25 ≤ 0.25
Magnesia, (MgO) ≤ 0.20 ≤ 0.15 ≤ 0.10 ≤ 0.10 ≤ 0.10 ≤ 0.10
Alkalies, (Na2O + K2O)≤ 0.7 ≤ 0.6 ≤ 0.5 ≤ 0.5 ≤ 0.4 ≤ 0.5
Loss on Ignition (L.O.I)4.0 – 5.04.0 – 4.53.0 – 3.53.0 – 3.53.0 – 3.42.2 – 2.4
Physical & Thermo-Mechanical properties:      
Max. service temp. (°C)135015001600165017001750
Refractoriness, (°C)1640>1730>1760>1800>1800>1800
Form,DryDryDryDryDryDry
Type of settingHeat- settingHeat- settingHeat- settingHeat- settingHeat- settingHeat- setting
Type of bondCeramicCeramicCeramicCeramicCeramicCeramic
Grain size distribution (mm), (%)      
over 0.3 mm˂ 2˂ 2˂ 2˂ 2˂ 2˂ 2
0.075 – 0.3 mm˂ 28˂ 28˂ 28˂ 28˂ 28˂ 28
under 0.075 mm> 70> 70> 70> 70> 70> 70
Water required, (%)25 – 2725- 2725- 2722 – 2520 – 2320 – 22

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