近些年来，复合板的市场份额逐渐增加。今天济南复合板厂将讨论当前市场上复合板的工程质量问题。

In recent years, the market share of composite board has gradually increased. Today, Jinan Composite Plate Factory will discuss the engineering quality of composite plates in the current market.

复合板的常见问题是收缩。复合板材的收缩分为整体收缩、板材变形和局部收缩。一般来说，复合板的收缩不涉及板材之间的关系（注：板材是复合板上方和下方的水泥基）。收缩是聚氨酯绝缘的原因。此外，一些同行认为收缩是密度的问题。事实上，收缩率和密度之间没有很大的相关性。当然，复合板在12-24小时内会有小的收缩（通常小于1到2毫米）。在大范围内承包是不正常的。

The common problem of composite plates is shrinkage. The shrinkage of composite plates is divided into overall shrinkage, plate deformation and local shrinkage. Generally speaking, the shrinkage of the composite plate does not involve the relationship between the plates (note: the plate is the cement base above and below the composite plate). Shrinkage is the cause of polyurethane insulation. In addition, some peers believe that shrinkage is a matter of density. In fact, there is no significant correlation between shrinkage and density. Of course, the composite plate will have small shrinkage (usually less than 1 to 2 mm) within 12-24 hours. It is not normal to contract on a large scale.

如果在进入一批板材后出现收缩，这只能是原材料的问题。也就是说，聚氨酯发泡黑白材料有问题，或者配方有问题。如果批次中的某些板材收缩，则无法确定原材料是否存在问题，但必须在生产控制或检测控制中存在问题。

If shrinkage occurs after entering a batch of plates, it can only be a problem of raw materials. In other words, there is a problem with the black and white polyurethane foam material or the formula. If some plates in the batch shrink, it is impossible to determine whether there is a problem with the raw material, but there must be a problem in the production control or test control.

当板材刚下生产线时，没有问题。只有一周后才能看到是否有问题。如果在生产过程中出现问题，如板材启动过程中的进料量、板材速度、温度、枪头流量、轧制等，很容易出现板材质量问题。

When the plate is just off the production line, there is no problem. Only a week later can we see if there is a problem. If there are problems in the production process, such as the feeding quantity, plate speed, temperature, gun head flow, rolling, etc. during the plate startup process, it is easy to have plate quality problems.

此外，成品板材生产后的各项指标测试以及企业内部的耐寒、耐热、耐候性测试也非常重要。换言之，如果检查环节匆忙失效，很容易释放具有质量隐患的板材。

In addition, it is also very important to test various indicators of finished plates after production and to test the cold, heat and weather resistance inside the enterprise. In other words, if the inspection process fails in a hurry, it is easy to release the plates with quality hazards.

复合板下线后需固化36小时，在这段时间之后，它将被发送到客户的施工现场。这样，上墙后不容易出现质量问题。我们在施工现场进行外墙保温施工非常困难。上墙前必须对复合板进行检查，选择质量差的板，避免上墙后出现质量问题。

The composite board needs to be cured for 36 hours after being offline. After that time, it will be sent to the customer's construction site. In this way, it is not easy to have quality problems after being put on the wall. It is very difficult for us to carry out external wall insulation construction at the construction site. The composite plate must be checked before being put on the wall, and the plate with poor quality shall be selected to avoid quality problems after being put on the wall.

市场上复合板的工程质量问题的避免相关内容就讲解到这里了，您对此有怎样的疑惑或者需求就来我们网站http://www.jnjgcg.com咨询吧！

This is how to avoid the engineering quality problems of composite plates in the market. If you have any doubts or needs, please visit our website http://www.jnjgcg.com Ask!