1、 Differences between plastering mortar and crack resistant mortar

1、抹面砂浆

1. Plastering mortar

用于涂抹建筑物或建筑物表面的砂浆，都叫抹面砂浆。根据抹面砂浆的功能不同，可分为普通抹面砂浆、装饰砂浆、防水砂浆、隔音砂浆等。对抹面砂浆的要求时需要具有良好的和易性，容易涂抹成均匀的薄层，便于基面施工。同时还需要提高粘结力，砂浆层应与基层粘结牢固，长期不开裂或者不脱落。在潮湿的环境中或者易受外力作用的区域(如地面和墙裙)，还需要有较高的耐水性和强度。

The mortar used to coat buildings or their surfaces is called plastering mortar. According to the different functions of plastering mortar, it can be divided into ordinary plastering mortar, decorative mortar, waterproof mortar, soundproofing mortar, etc. The requirement for plastering mortar is to have good workability, easy to apply into a uniform thin layer, and facilitate the construction of the base surface. At the same time, it is also necessary to improve the bonding strength, and the mortar layer should be firmly bonded to the base layer, without cracking or falling off for a long time. In humid environments or areas susceptible to external forces, such as floors and wall skirts, high water resistance and strength are also required.

抹面砂浆一般是薄抹灰，而且抹面砂浆还有破板率的要求。成本比抗裂砂浆高，保温板的变形比较大，柔性相对好一些。

The plastering mortar is generally thin plastering, and there is also a requirement for the breakage rate of the plastering mortar. The cost is higher than that of crack resistant mortar, the deformation of insulation board is relatively large, and the flexibility is relatively better.

2、抗裂砂浆

2. Crack resistant mortar

抗裂砂浆一般是指聚合物抗裂抹面砂浆，是聚合物改性的水泥基抹面抗裂砂浆，用于砂浆墙面、保温系统的表面增强保护。它具有高强度，良好的粘结力、极强的抗裂效果。抗裂砂浆的优劣影响着保温系统的使用效果和寿命，采用抗裂砂浆进行抹面的保温系统能有效解决外墙保温、隔热、防风压、耐候、透气等问题。易于操作、施工简单，能长期保持使用性能，环保安全。

Anti crack mortar generally refers to polymer anti crack plaster mortar, which is a polymer modified cement-based plaster anti crack mortar used for surface reinforcement protection of mortar walls and insulation systems. It has high strength, good adhesion, and extremely strong crack resistance. The quality of crack resistant mortar affects the effectiveness and lifespan of the insulation system. The insulation system using crack resistant mortar for plastering can effectively solve problems such as external wall insulation, heat insulation, wind pressure resistance, weather resistance, and breathability. Easy to operate, simple to construct, able to maintain long-term performance, environmentally friendly and safe.

抗裂砂浆做得厚一些，成本低一些。

The crack resistant mortar is made thicker and has a lower cost.

二、抗裂砂浆的注意事项

2、 Precautions for cracking resistant mortar

1、抗裂砂浆施工的时候不需要添加其他材料，同时需要严格控制水料比例。

1. During the construction of crack resistant mortar, no other materials need to be added, and the water material ratio needs to be strictly controlled.

2、基层吸水性强或者表面干燥过快的话，应该先在基层润湿后，涂刷一层界面剂做封底处理。

2. If the base layer has strong water absorption or the surface dries too quickly, it should be moistened first before applying a layer of interface agent for sealing treatment.

3、运输过程中应注意防潮防水。

3. During transportation, attention should be paid to moisture and waterproofing.

4、抗裂砂浆在储存的过程中应保持通风、避免受潮。

4. During the storage process of crack resistant mortar, ventilation should be maintained to avoid moisture.

5、施工时，一次性不要调配过多，需要视施工用量而定，如出现未使用而干固的结块，则不能继续使用。

5. During construction, do not mix too much at once, it depends on the construction amount. If there are dry and solid lumps that have not been used, they cannot be used again.

6、施工的环境应保持在5摄氏度以上，雨雪天气不能施工。

6. The construction environment should be maintained above 5 degrees Celsius, and construction cannot be carried out in rainy or snowy weather.

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