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1, template: construction of light pouring makings can use template plate or hardwood plate (five-ply board) make, template should have enough strength, rigidity is good, do not go out of shape, do not shift, do not leak pulp, just template wants besmear demodulation agent, wood template wants besmear waterproof agent, the template that USES repeatedly wants to clean first, besmear lacquer just can use.Check hole and clean hole to make regular shell with wood.There shall be more than 4 metal drawbars per square meter to support the board (to prevent strong heat transfer) and the drawbars shall be welded on the anchor (that is, the formwork drawbars shall be welded on the anchor). 2. Water-cement ratio: the amount of water added when mixing light castable shall be controlled strictly in accordance with the instructions, and shall not exceed the limit. Under the premise of ensuring the construction performance, the amount of water added shall be less and not more. 3. Mixing: the mixing time of light castable shall be no less than 5 minutes (subject to the requirements of the manual). The operation shall be conducted with a forced mixer.Stir dry mix stir, and then add 80% of the amount of water stir, and then according to its dry and wet degree, slowly add the remaining water continue to stir, until the appropriate level of work.Mix light castable to clean the mixer. |
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