2, stir depending on the refractory castable site unpacking, mixing the amount according to the capacity of the mixer, castable should be accurately measured, into the mixer.
3, the first dry mixed with wet mixing process, the castable added to the mixer, dry mixing 2 minutes, add water about 5.2 to 5.5%, while stirring with water, first add 80% of the total, and then depending on the consistency of the situation as appropriate Add (and pay attention to the mixing water must be clean tap water, not sewage), wet mixing 4 minutes, one-time mixing shall not be less than 6 minutes until the insulating castable uniform, the surface of the slurry after the material, in general, When slightly dry, slightly thin wall (the above water for the reference value).
4, stirring to strictly control the amount of water and mixing time, to ensure the consistency required for construction. Castable materials too thin will seriously affect the quality of material properties. Each time the amount of mixing, mixing time, add water uniform, If you find the mixing material consistency does not meet the requirements, should return to the mixer appropriate water or dry material mixing, is strictly prohibited in the pouring temporary use of water.
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