Work with Tangshan win-win dinnerware, work with world dinnerware.
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Work with Tangshan win-win dinnerware, work with world dinnerware.
In the case of slow grouting of ceramic water cups, it may be necessary to add clinker powder of loo/o～20u/o or other types of fillers to the slurry, such as 80 mesh dust, clinker powder (centrifugal dust cooked The material is good) sand, feldspar or = silica, etc. The original well-ordered arrangement of clay particles was disrupted by irregular clumps in the filling. However, a problem is also prone to occur in the above method: the soluble salts in the filler will have a great influence on the grouting mud formula. Either way, the grout formulation is more or less affected because of the diluting effect of the filler on the grout formulation. Wash the filling thoroughly before adding it to the slurry. Where possible, try to remove soluble salts.
In the same way, ceramic bodies poured with refractory clay slurry usually have a wall thickness of several inches. This can be done by simply filling the slurry with 35% clinker.
In addition, the problem of too slow grouting speed can also be solved by incomplete deflocculation. Let some clay particles in the mud retain their agglomerated state, which acts like adding filler to the mud. Since incomplete deflocculation will result in too viscous grout, in order to ensure a certain fluidity, more water must be added and the content of clay reduced. Incompletely deflocculated grouts are more thixotropic than normal grouts, and when allowed to sit in the mold for a longer period of time, the grout will congeal into a jelly-like shape. When encountering this situation, we can only make a compromise: add some suspending agent in an appropriate amount according to actual needs. Sometimes, it is necessary to shake the plaster mold gently at the end of the slurry, which can not only increase the fluidity of the slurry, but also reduce the clay content in the slurry.
The temperature of the grouting slurry will affect its viscosity, grouting rate and screening rate from a deeper level. The temperature of the grouting slurry is directly proportional to its viscosity (the higher the temperature, the greater the fluidity of the water), the dehydration rate and the grouting efficiency. This phenomenon is especially obvious in cool grouting environment or outdoors, and the grouting efficiency varies greatly between winter and summer.
The thicker the wall of the grouting vessel, the longer the grouting time required. This is because the grouting rate and the drying rate are almost the square of the green body thickness. Therefore, when the thickness of the grouted body doubles, the time for grouting quadruples.
We have more than 20 years of professional ceramic tableware export experience, Tangshan Win-Win Co., Ltd. was established in 2005 located in the ceramic capital of China.
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