在济南的建筑施工战场上，抹面砂浆就像构筑墙面的 “美容师”，能让粗糙的基层变得平整光滑。然而，这一得力 “助手” 若保存不当，就会像变质的食材，失去原本的性能。济南四季分明，夏季高温多雨，冬季寒冷干燥，面对这样多变的气候，掌握抹面砂浆的 “保鲜秘籍” 至关重要，只有科学储存，才能让它时刻保持良好状态，在施工时发挥最佳效果。

　　On the battlefield of construction in Jinan, plastering mortar is like a "beautician" for building walls, which can make rough substrates smooth and even. However, if this capable "assistant" is not stored properly, it will be like spoiled food and lose its original performance. Jinan has distinct four seasons, with hot and rainy summers and cold and dry winters. Faced with such a changing climate, it is crucial to master the "preservation secrets" of plastering mortar. Only through scientific storage can it be kept in good condition at all times and achieve the best results during construction.

　　储存环境的选择是保存抹面砂浆的首要关键。首先，存放地点必须保证干燥，避免潮湿空气侵袭。济南夏季降水较多，空气湿度大，若将抹面砂浆置于潮湿环境中，其中的水泥等胶凝材料会吸收水分，提前发生水化反应，导致砂浆结块硬化，无法正常使用。因此，仓库地面应进行防潮处理，可铺设防潮垫板或塑料薄膜，使砂浆与地面隔开；墙面也可涂刷防潮涂料，进一步隔绝湿气。同时，仓库要具备良好的通风条件，保持空气流通，防止湿气积聚。在冬季，济南气温较低，尤其是夜间，低温可能会使砂浆中的水分结冰，破坏其内部结构，影响强度。所以，仓库需做好保温措施，可在仓库外围覆盖保温材料，如岩棉板等，必要时还可在仓库内安装供暖设备，将温度维持在适宜范围，避免砂浆受冻。

　　The selection of storage environment is the primary key to preserving plaster mortar. Firstly, the storage location must be kept dry to avoid the invasion of humid air. Jinan has more precipitation in summer and high air humidity. If the plastering mortar is placed in a humid environment, the cement and other cementitious materials will absorb moisture and undergo hydration reactions in advance, causing the mortar to clump and harden, making it unable to be used normally. Therefore, the warehouse floor should be treated with moisture-proof measures, such as laying moisture-proof pads or plastic films to separate the mortar from the floor; The wall can also be coated with moisture-proof paint to further isolate moisture. At the same time, the warehouse should have good ventilation conditions, maintain air circulation, and prevent moisture accumulation. In winter, the temperature in Jinan is relatively low, especially at night. The low temperature may cause the moisture in the mortar to freeze, damaging its internal structure and affecting its strength. Therefore, the warehouse needs to take good insulation measures. Insulation materials such as rock wool boards can be covered around the warehouse, and if necessary, heating equipment can be installed inside the warehouse to maintain the temperature within a suitable range and avoid the mortar from freezing.

　　包装完整性对抹面砂浆的保存也有着重要影响。未开封的抹面砂浆应存放在原包装内，包装袋要保持密封状态。优质的包装材料能够有效阻挡外界水分和空气进入，延长砂浆的保质期。在搬运过程中，要轻拿轻放，避免包装袋破损，一旦发现包装有裂缝、孔洞，应立即进行修补或更换包装，防止砂浆受潮。对于开封后未使用完的砂浆，更要妥善处理。可使用密封夹将袋口夹紧，或转移至密封容器中，尽量排出容器内的空气，减少与空气的接触面积，降低受潮风险。

　　The integrity of packaging also has a significant impact on the preservation of plastering mortar. Unopened plastering mortar should be stored in its original packaging, and the packaging bag should be kept sealed. High quality packaging materials can effectively block external moisture and air from entering, extending the shelf life of mortar. During the transportation process, handle with care to avoid damage to the packaging bag. Once cracks or holes are found in the packaging, they should be repaired or replaced immediately to prevent the mortar from getting damp. For unused mortar after opening, it is even more important to handle it properly. You can use a sealing clip to clamp the bag opening or transfer it to a sealed container to exhaust the air inside the container as much as possible, reduce the contact area with air, and lower the risk of moisture.

　　在保存过程中，还要遵循先进先出的原则。先购入的抹面砂浆应优先使用，避免因存放时间过长而降低性能。即使在良好的储存条件下，抹面砂浆也有一定的保质期，一般干混抹面砂浆保质期在 3 - 6 个月左右，具体需参照产品说明。定期对库存的抹面砂浆进行检查，查看是否有结块、硬化、变色等异常现象。若发现少量结块，可通过筛选去除结块部分，剩余未结块的砂浆经检测合格后仍可使用；但如果结块严重，或出现明显异味、变色等情况，说明砂浆已变质，不可再用于施工，以免影响工程质量。

　　During the storage process, the principle of first in, first out should also be followed. The plaster mortar purchased first should be used first to avoid a decrease in performance due to prolonged storage time. Even under good storage conditions, plastering mortar has a certain shelf life. Generally, dry mixed plastering mortar has a shelf life of about 3-6 months, which should be referred to in the product instructions. Regularly inspect the inventory of plastering mortar to see if there are any abnormal phenomena such as clumping, hardening, discoloration, etc. If a small amount of clumps are found, the clumped parts can be removed by screening, and the remaining un clumped mortar can still be used after passing the inspection; But if the clumping is severe, or there is a noticeable odor, discoloration, etc., it indicates that the mortar has deteriorated and cannot be used for construction again to avoid affecting the quality of the project.

　　此外，不同类型的抹面砂浆保存要求也略有差异。例如，具有特殊功能的防水抹面砂浆、保温抹面砂浆等，除了遵循上述通用保存方法外，还需根据其特性进行针对性储存。防水抹面砂浆对防潮要求更高，应尽量存放在湿度更低的环境中；保温抹面砂浆则要避免重压和尖锐物碰撞，防止破坏其内部的保温结构。

　　In addition, the storage requirements for different types of plastering mortar also vary slightly. For example, waterproof plastering mortar, insulation plastering mortar, etc. with special functions need to be stored according to their characteristics in addition to following the general preservation methods mentioned above. Waterproof plastering mortar requires higher moisture resistance and should be stored in an environment with lower humidity as much as possible; The insulation plaster mortar should avoid heavy pressure and sharp object collision to prevent damage to its internal insulation structure.

　　济南抹面砂浆的科学保存，是一场与环境、时间的 “博弈”。从储存环境的精心打造，到包装的妥善维护，再到使用过程中的合理管理，每一个环节都不容忽视。掌握这些 “保鲜秘籍”，就能让抹面砂浆长久 “在线”，为济南的建筑工程添砖加瓦，筑起坚固又美观的墙面。

　　The scientific preservation of Jinan plaster mortar is a game between environment and time. From the careful creation of storage environment, to the proper maintenance of packaging, to the reasonable management during use, every link cannot be ignored. Mastering these "preservation secrets" can make the plastering mortar "online" for a long time, adding bricks and tiles to the construction projects in Jinan, and building strong and beautiful walls.

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