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Halloween Pumpkin glass ceramics what should pay attention |
| Ceramic Mug From:Xinxiang Ceramic Mug Manufacturers 2016-3-9 |
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Halloween Pumpkin glass custom ceramic enamel mugs
Mixing must pay attention to the control of water and paste mixing proportion and refining operations. Especially gypsum and water ratio should be controlled strictly. The different uses of the model, paste water ratio is different. Grouting forming model of water than plastic paste than forming model of water than the smaller paste. Such as grouting for mould gypsum water ratio is about 100:90, blank rotary molding paste water ratio is about 100:80, roll forming die than blank rotary molding paste can also be less water than. But because of the different nature of the paste, modulation of water are not the same, so the development of process indicators, we must first determine the most appropriate amount water according to the properties of gypsum and clay. In the pulp when must pay attention to the correct method of mixing. Mixing operation, the plaster quantitative evenly into prepared water, placed 2 ~ 4min, then stir into a slurry containing no air, can mold filling. The mixing time of different gypsum is not exactly the same, such as the Hubei Yingcheng gypsum general 3 ~ 4min can, plaster of Shanxi is generally 2 ~ 3 min can be, if the mixing time is too long, paste to initial hardening. The stirring action should be almost uniform, but also to prevent the into the air. In order to reduce the paste in the bubble, vacuum mixing method to deal with the gypsum slurry are widely adopted.
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