干粉砂浆在砌筑方面具有哪些优势?聚合物干粉砂浆被广泛的应用于砌筑，主要是因为它在砌筑方面具有无可比拟的优势，那么这些优势具体是什么呢？

What are the advantages of dry powder mortar in masonry? Polymer dry powder mortar is widely used in masonry mainly because it has unparalleled advantages in masonry. So what are these advantages specifically?

聚合物干粉砂浆在砌筑方面的优势有以下几点：

The advantages of polymer dry powder mortar in masonry include the following:

一、具有塑性收缩、干缩率低特性，大限度保证墙体尺寸稳定性。

1、 It has the characteristics of plastic shrinkage and low dry shrinkage rate, ensuring maximum stability of wall dimensions.

二、具有优异的施工和易性和粘结能力。提高施工工作性，使砌体竖立向砌筑灰缝摸浆、挂浆均匀，灰缝浆料饱满，并同时增加砂浆与砖体接触面积，保证砌筑体稳定性。

2、 Has excellent construction workability and bonding ability. Improve the construction efficiency, ensure that the mortar is evenly applied and hung in the vertical direction of the masonry, and the mortar is full. At the same time, increase the contact area between the mortar and the brick to ensure the stability of the masonry.

三、胶凝后具有刚中代韧的力学性能。提高墙体抗裂、抗渗及抗应变能力，达到墙体免受水的侵蚀和破坏的目的。

3、 After cementation, it has mechanical properties that replace toughness with rigidity. Improve the crack resistance, impermeability, and strain resistance of walls to achieve the goal of preventing water erosion and damage to the walls.

四、具有优异的保水性，使砂浆在更佳条件下胶凝得更为密实，并可在干燥砌块基面都能保证砂浆有效粘。

4、 It has excellent water retention properties, making the mortar more compact under better conditions and ensuring effective adhesion on dry block surfaces.

干粉砂浆是其中一种常用于水泥砂浆改性的聚合物，它是聚合物乳液经过正确的喷雾干燥过程(以及选用适当的添加剂)形成的粉末状聚合物，在混合料与水拌和后，聚合物干粉遇水变为乳液，在水泥砂浆凝结硬化过程中可再一次脱，聚合物颗粒在其中形成聚合物体结构，从而与聚合物乳液的作用过程相似，对水泥砂浆起到改性作用。由于聚合物干粉砂浆不像聚合物乳液那样需要考虑乳液配制、稳定性的问题、小掺量就可以使砂浆达到所需性能，因而具有比乳液易于包装、储存、运输和供应，抗冻和无生酶、生细菌的问题，以及可与水泥和砂等预拌包装制成单组分产品，加水既可使用的优点。应用时，预先把级配砂、水泥、聚合物干粉以及其它辅加剂混合包装好，现场施工时只需加入一定量的水既可获得性能较好的聚合物干粉改性水泥砂浆。现场施工时，由于只需向聚合物于粉改性的水泥砂浆中加入适量的水既可，因而减少了配料差错。聚合物千粉改性水泥砂浆由于所掺聚合物干粉砂浆比聚合物乳液更具有的优势，以及聚合物干粉改性水泥砂浆具有配制方便、性能良好等优点，

Dry powder mortar is one of the polymers commonly used for cement mortar modification. It is a powdered polymer formed by the polymer lotion through the correct spray drying process (and the selection of appropriate additives). After mixing the mixture with water, the polymer dry powder becomes lotion when it meets water, and can be detached again during the setting and hardening process of cement mortar. Polymer particles form a polymer structure in it, which is similar to the action process of the polymer lotion, and plays a modifying role in cement mortar. Because polymer dry powder mortar does not need to consider the preparation and stability of lotion as polymer lotion does, and the mortar can reach the required performance with a small amount of addition, it is easier to package, store, transport and supply than lotion, and has the problems of frost resistance, enzyme free and bacteria free. It can be mixed with cement, sand and other ready mixed packaging to form a single component product, which can be used with water. When applying, mix and package graded sand, cement, polymer dry powder, and other additives in advance. During on-site construction, only a certain amount of water needs to be added to obtain polymer dry powder modified cement mortar with good performance. During on-site construction, adding an appropriate amount of water to the polymer powder modified cement mortar reduces batching errors. The polymer dry powder modified cement mortar has more advantages than the polymer lotion, and the polymer dry powder modified cement mortar has the advantages of convenient preparation and good performance,

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