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Mouldables and Ramming mixes

Name MST
°C		 Chemical analysis
(fired basis) 		Cold Crushing Strength
MN/m3 		PLC%
MST		 W/MK§
1000°C		 Green Density
kg/m3		 Dry density kg/m3 Max Grain
Size mm
Al2O3 SiO2 Fe2O3 Misc Dry 1000°C MST
Mouldables
                          
Jonram BHS
1750 81.7 11.6 1.3   4 17 30 +0.6 1.62 2900 2660 5
Jonram 80
1700 80.6 13.8 1.4   5 15 16 +0.6 1.52 2700 2450 5
Jonram 70
1700 71.5 22.9 1.6   4 14 17 +1.1 1.40 2600 2350 8 or 5
Jonram 60
1700 59.0 37.0 1.2   5 15 15 +0.8 1.30 2450 2250 8 or 5
Jonram 50
1600 50.8 45.2 1.0   6 13 18 +1.6 1.20 2300 2150 8 or 5
Jonram 45
 1600 43.7 53.5 1.0   3 15 30 -1.0 0.99 2270 2100 8 or 5
Jonram SiC
1500 4.0 11.5 0.8 SiC 80.7 4 20 30 +1.0 7.00 2530 2250 5
Ramming mixes                          
Jonram B
1700 82.9 10.9 1.4   5 28 45 -0.2 1.80 2870 2660 5
Jonram HA
1700 77.9 15.3 1.8   4 20 44 +0.6 1.80 2800 2550 5
Jonram BG
1700 81.6 10.8 1.4 Cr2O3 1.5 5 30 40 +0.4 1.85 2870 2660 5
Jonram BRNC
1700 3.4 3.6 1.2 MgO 86.0 16 2 20 -2.5 2.40 2800 2550 5

§ Thermal conductivity mean temperature 1000°C

Sheffield Refractories Limited Jonram plastic mouldable and ramming materials are designed to be installed using ramming equipment, some of the softer products can be parged and hand formed. Useful where flexibility is required and for patching existing linings. Pneumatic ramming equipment, supervisors and installers can be hired to install these products. There are many products to chose from and our sales and technical staff will offer advice on materials for different applications