Henan Hongtai Kiln Refractory Co.,Ltd. |
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Main properties | JM20 | JM23 | JM25 | JM26 | JM28 | JM29 | JM30 | |
Classification temperature | °C | 1100 | 1260 | 1350 | 1430 | 1540 | 1580 | 1600 |
Density | Kg/m3 | 500 | 500 | 800 | 800 | 900 | 1100 | 1100 |
Modulus of rupture | Mpa | 0.7 | 0.7 | 1.2 | 1.8 | 1.8 | 2 | 2 |
Cold crushing strength | Mpa | 0.8 | 1 | 1.8 | 2 | 2.5 | 3 | 3 |
AL2O3 | % | 45 | 45 | 45 | 55 | 64 | 70 | 73 |
SIO2 | % | 50 | 48 | 45 | 41 | 32 | 28 | 25 |
FE2O3 | % | 1 | 1 | 0.9 | 0.9 | 0.7 | 0.7 | 0.6 |
K2O+Na2O | % | 1 | 1.2 | 1 | 0.9 | 0.8 | 0.7 | 0.7 |