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台座法重叠生产振动砖壁板,隔离剂的选用问题,和一般单层生产构件有所不同。主要是:由于上下两层壁板生产的间隔时间较短(仅一天左右),上下层壁板几乎同时处于水化结硬过程中,因而容易粘结;同时,重叠生产自重压力加大,各层间板面的硬度较小,互相啮合得较紧密,吸附力、附着力都较大。所以,选用隔离剂材料必须满足以下要求:
The pedestal method overlaps the production of vibrating brick sidings, and the selection of release agents is different from that of common single-layer production components. The main reason is that since the interval between upper and lower sidings is short (only one day or so), the upper and lower sidings are almost at the same time in the hydration process, so they are easy to bond; at the same time, the overlapping production pressure increases. The hardness of the board between the layers is small, the meshing between them is tighter, and the adsorption force and adhesion are larger. Therefore, the choice of separator material must meet the following requirements: