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影響熟石膏粉凝固速度的因素有哪些？

來源：http://www.wavc.cn 日期：2022-06-09 發布人：

影響熟石膏粉凝固速度的因素有哪些？

What are the factors influencing the setting speed of gypsum powder?

有熟石膏粉的質量、熟石膏粉與水調合的比例不當、攪拌的時間和速度、水溫。

There are the quality of gypsum powder, improper proportion of gypsum powder and water, mixing time and speed, and water temperature.

熟石膏操作注意： 1.石膏粉與水調合后，若發現水粉比例不合適時，應重取量調和。 2.攪拌的速度不宜過快，以免人為帶入氣泡，形成過多的結晶，導致石膏膨脹，強度降低。 3.灌注模型時應從一側逐漸到另一側，震蕩灌注，排除氣泡，注滿各細微部分。 4. 石膏在凝固過程中存在體積膨脹。

Notes for plaster of Paris operation: 1 After mixing gypsum powder with water, if the proportion of water powder is found to be inappropriate, it shall be re measured and mixed. 2. the mixing speed should not be too fast, so as to avoid artificially bringing in bubbles and forming too many crystals, resulting in gypsum expansion and strength reduction. 3. pour the model gradually from one side to the other side, vibrate and pour, eliminate bubbles, and fill each fine part. 4. there is volume expansion of gypsum during solidification.

不過讓石膏凝固速度降慢的方法是在把石膏粉加水的時候使用溫度較低的涼水水越涼凝固速度就越慢反之用熱水就會很快。是根本不用參明顯東西的。如果覺得這個辦法不行還可以加入檸檬酸或者先在石膏粉里摻好膩子粉，在水里摻上108膠白乳膠和纖維素，再調和。石膏的凝固時間一般取決與石膏粉的標號標號高的一般就凝結的快。

However, the way to slow down the setting speed of gypsum is to use cold water with lower temperature when adding water to gypsum powder. The cooler the water is, the slower the setting speed will be. On the contrary, using hot water will be very fast. There is no need to participate in anything at all. If you think this method is not feasible, you can also add citric acid or add putty powder into gypsum powder, add 108 glue white emulsion and cellulose into water, and then mix. The setting time of gypsum generally depends on the grade of gypsum powder. High grade generally sets fast.

本文的精彩內容由濟南石膏粉提供知識提供，本網站還有很多的精彩內容，更多的內容您可以點擊進入：http://www.wavc.cn我們有專門的客服為您解答問題

The wonderful contents of this article are provided by Jinan gypsum powder. There are many wonderful contents on this website. You can click to enter more contents: http://www.wavc.cn We have special customer service to answer your questions

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