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輕質抹灰石膏空鼓、開裂、起粉的原因

來源：http://www.wavc.cn 日期：2023-04-17 發布人：

輕質抹灰石膏是代替水泥砂漿的新型、環保、經濟的產品，既有水泥的強度，又比水泥健康環保、持久耐用，粘接力大、不易粉化、不開裂、不空鼓、不掉粉等優點，使用簡便，節省成本。那在施工中為什么會出現空鼓、開裂、起粉現象呢，下面我們一一分解：

Lightweight plastering gypsum is a new, environmentally friendly, and economical product that replaces cement mortar. It not only has the strength of cement, but also has the advantages of being healthier, more environmentally friendly, and more durable than cement. It has great adhesion, is not easy to powder, does not crack, does not empty, and does not drop powder. It is easy to use and saves costs. Why do hollowing, cracking, and powdering occur during construction? Let's break them down one by one:

濟南輕質抹灰石膏開裂情況

Cracking of Jinan Light Plaster Gypsum

（1）建筑石膏不合格未進行陳化處理、石膏可溶性雜質過多

(1) Unqualified building gypsum without aging treatment, excessive soluble impurities in gypsum

（2）添加劑不合格添加劑和石膏不匹配

(2) Additives are not qualified Additives and gypsum do not match

（3）施工人員原因施工人員不、不安要求施工

(3) Due to the lack of professionalism and safety of construction personnel, they are required to carry out construction

（4）基層材料原因基層存在吸水、開裂、粉化等

(4) The root material causes water absorption, cracking, and pulverization in the base layer

（5）施工環境原因，天氣干燥炎熱、風速大、春夏之交，溫度高而濕度小。

(5) Due to the construction environment, the weather is dry and hot, with high wind speed and high temperature and low humidity at the turn of spring and summer.
濟南輕質抹灰石膏

抹灰石膏層空鼓原因

Reasons for hollowing in the plastering gypsum layer

（1）基層疏松、強度低；光滑的基層沒有涂刷界面處理劑；

(1) Loose grassroots and low strength; Smooth base layer without applying interface treatment agent;

（2）基層吸水性強，施工前沒有灑透水；

(2) The base layer has strong water absorption, and there is no sprinkling of water before construction;

（3）產品質量問題：纖維素醚用量小，保水能力差，抹灰石膏內聚力小，抹灰石膏與基層的濕粘結力差；建筑石膏用量小；機噴石膏中可再分散膠粉用量少。

(3) Product quality issues: low dosage of cellulose ether, poor water retention ability, low cohesion of plastering gypsum, and poor wet adhesion between plastering gypsum and base layer; Low dosage of building gypsum; The amount of redispersible rubber powder used in machine sprayed gypsum is small.

抹灰石膏層起粉原因

Reasons for powdering of plastered gypsum layer

（1）建筑石膏未能充分水化：基層吸水性強，施工前沒有灑透水；施工現場氣溫高，風力大；施工厚度薄；

(1) Building gypsum is not fully hydrated: the base layer has strong water absorption, and no water is sprayed thoroughly before construction; The construction site has high temperatures and strong winds; Thin construction thickness;

（2）產品質量問題：纖維素醚用量小，保水能力差；抹灰石膏強度低（建筑石膏用量小、初凝時間長）；

(2) Product quality issue: Low dosage of cellulose ether and poor water retention ability; Low strength of plastering gypsum (low dosage of building gypsum and long initial setting time);

（3）已經固化的抹灰石膏、落地灰及搓抹下的抹灰石膏加水攪拌后，重新使用。

(3) The solidified plastering gypsum, floor plaster, and the plastering gypsum after rubbing are mixed with water and reused.

輕質抹灰石膏空鼓、開裂、起粉的原因相關內容就講解到這里了，您對此有怎樣的疑惑或者需求，隨時可以來我們網站http://www.wavc.cn進行咨詢了解！

That's all for explaining the causes of hollowing, cracking, and powdering in lightweight plastering gypsum. If you have any doubts or needs about this, please feel free to visit our website at any time http://www.wavc.cn Conduct consultation to understand!

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