规格:25kg/袋 或1吨包
The dry impermeable material used in the aluminum electrolytic cell is a dry mixed material, and the construction method does not require the addition water, and is directly laid and tamped. It is mainly used between the thermal insulation bricks and carbon bricks of the aluminum electrolytic cell, and the purpose is prevent the electrolyte and aluminum liquid from destroying the performance of the thermal insulation materials of the bottom of the electrolytic cell, and to stabilize the thermal insulation condition of bottom of the electrolytic cell. Therefore, effectively preventing the electrolyte from permeating into the impermeable material layer is the key to the quality of the imperable material. An ideal impermeable material is one that, after forming a good impermeable barrier layer, does not change or consume with time. scope: It is laid between the insulation bricks and carbon bricks of the aluminum electrolytic cell to prevent seepage, and it is laid under the carbon bricks of the ash furnace.
Project
| Dry impervious material |
Al2O3/% | 30-40 |
SiO2/% | 40-50 |
Al2O3+SiO2/% | 90 |
Volume density g/cm³ | 1.9-2.0(Tamp) |
Thermal Conductivity (800℃W/m·k) | ≤0.45 |
Construction method | No need to add water |

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