在实际应用中，设需要考虑抗压增强复合板的抗压强度。另外，为了达到稳定的吸声性能，还需要做好一些影响因素的处理，那么复合板的抗压强度和吸声性能受哪些因素影响呢？

In practical application, the compressive strength of compressive reinforced composite plate should be considered in design. In addition, in order to achieve stable sound absorption performance, it is necessary to deal with some influencing factors. What factors affect the compressive strength and sound absorption performance of composite plates?

复合板的抗压强度

Compressive strength of composite plate

事实上，影响抗压增强复合板抗压强度的因素有很多，但主要是组织、水泥的性质和受压方向。因此，在生产过程中要注意选用的生产材料和粘合剂。

In fact, there are many factors that affect the compressive strength of compressive reinforced composite plates, but the main factors are the structure, the nature of cement and the direction of compression. Therefore, attention should be paid to the selection of high-quality production materials and adhesives in the production process.

从结晶颗粒的大小来看，一些细粒岩石或隐晶岩石的抗压强度往往大于粗粒岩石。由于生产过程中使用的天然岩石种类不同，产生的晶体颗粒大小也不同，但玄武岩产生的晶体颗粒很小，抗压强度高。

From the size of crystalline particles, the compressive strength of some fine-grained rocks or cryptocrystalline rocks is often greater than that of coarse-grained rocks. Due to different types of natural rocks used in the production process, the size of crystal particles produced is also different, but the crystal particles produced by basalt are very small and have high compressive strength.

水泥的性能主要取决于生产过程中使用的粘合剂。根据其系统结构可知，岩棉板由粘结层、保温层、抹灰层、饰面层及附件组成。层和都是用粘合剂做的，所以它们的抗压强度应该不错，但需要注意的是，由于粘合剂的质量不同，其实际情况也有所不同。

The performance of cement mainly depends on the binder used in the production process. According to the system structure, the rock wool board is composed of bonding layer, insulation layer, plastering layer, finishing layer and accessories. The layer and top layer are made of adhesive, so their compressive strength should be good. However, it should be noted that the actual situation is different due to the different quality of adhesive.

复合板的吸声性能

Sound absorption performance of composite plate

气流阻力是影响保温岩棉板吸声性能的一个因素。如果流阻太小，说明材料稀疏，空气振动容易通过，吸声性能降低；声音性能也降低了。对于片材，吸音性能存在流动阻力。在实际工程中，气流阻力很难测量，但可以通过厚度和容重进行粗略估算和控制。随着厚度的增加，中低频的吸声系数显着增加，但高频变化不大，因此气流阻力影响产品的吸声性能。

Air flow resistance is one of the factors that affect the sound absorption performance of insulation rock wool board. If the flow resistance is too small, it means that the material is sparse, the air vibration is easy to pass through, and the sound absorption performance is reduced; Sound performance is also reduced. For the sheet, the sound absorption performance has flow resistance. In practical engineering, air flow resistance is difficult to measure, but it can be roughly estimated and controlled by thickness and bulk density. With the increase of thickness, the sound absorption coefficient of medium and low frequency increases significantly, but the high frequency changes little. Therefore, the air flow resistance affects the sound absorption performance of the product.

在板厚不变的情况下，体积密度增加，中低频的吸声系数也增加；但当容重增大到一定程度时，材料变致密，流阻大于流阻，吸声系数反而降低。对于容重16Kg/m3、厚度5cm以上的离心玻璃棉，低频125hz约为0.2，中高频吸声系数接近1。

When the plate thickness is constant, the sound absorption coefficient of medium and low frequency increases with the increase of bulk density; However, when the bulk density increases to a certain extent, the material becomes dense, the flow resistance is greater than the flow resistance, and the sound absorption coefficient decreases. For centrifugal glass wool with a unit weight of 16kg/m3 and a thickness of more than 5cm, the low frequency 125Hz is about 0.2, and the medium and high frequency sound absorption coefficient is close to 1.

济南复合板厂提醒您，复合板的吸声性能主要受密度和气流阻力的影响。因此，为了保证板材在生产过程中能够保持良好的吸声性能，就需要避开这些影响因素，从而更好的完成板材的性能控制，以免使板材的吸声生产出来的板材不达标，隔音效果不好，影响正常使用。因此，大家要特别注意吸声性能的好坏。

Jinan composite board factory reminds you that the sound absorption performance of composite boards is mainly affected by density and air flow resistance. Therefore, in order to ensure that the plates can maintain good sound absorption performance in the production process, it is necessary to avoid these influencing factors, so as to better complete the performance control of the plates, so as not to make the plates produced by the sound absorption of the plates fail to meet the standard, the sound insulation effect is not good, and the normal use is affected. Therefore, we should pay special attention to the sound absorption performance.

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