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Ramming & Gunning Mixes Table

M95

M85

M92

Maximum Service Temperature °C 1,800 1,800 1,800
Maximum Grain Size of Aggregates  mm. 4 4 4
Approximate Amount of Water Required for Ramming Per 50kg litres 2 – 3 10 – 15 15
Approximate Weight Required for Ramming kg/cm3 2,800 2,280 2,300
Cold Crushing Strength
– After Drying at 110°C kg/cm2 350 – 400 300 – 350 300 – 350
– After Heating at 1,200°C kg/cm2 250 – 280 200 – 250 200 – 250
Permanent Linear Change
After Heating at
– After Drying at 110°C kg/cm2 -0.05 -0.05 -0.05
– After Heating at 1,200°C kg/cm2 -0.10 -0.10 -0.10