Stock code
839391
EAF delta roof &LF roof
Classification:
Product Introduction
Roofs for electric arc furnaces are frequently subjected to attach of thermal shock,steel slag andgas (CO,CO₂,SO₂)erosion,high temperature,arc radiation and wear of dust flow formed by highspeed smoke dust in the furnace.The EAF delta and LF furnace roofs developed by JHCO adoptcement or cement free binding system using ultra fine powder technology and optimizedgranularity ratio.They have the features of thermal shock resistance,good erosion resistance andhigh longevity,are suited to EAF,LF and VD.
Main chemical compositions and physical properties
| Grade | JH-DLG90 | JH-DLG90A | JH-DLG-M70 | |
| Chemical compositions(%),≥ |
Al₂O₃ | - | - | 70 |
| Al₂O₃+Cr₂O₃ | - | 91 | - | |
| Al₂O₃+MgO | 90 | - | - | |
| BD(g/cm³),≥ | 3.0 | 3.1 | 2.7 | |
| MOR(MPa),≥ | 6 | 8 | 6 | |
| CCS(MPa),≥ | 40 | 45 | 40 | |
Packaging:rope or other type upon customer request.
Remark:avoid rain &water.Shelf life:12 months.
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