Differentiating the quality of rubber diaphragm

With the rise of domestic industry, the market for various pump valve equipment accessories has become more messy. When we purchase daily, the lowest and highest prices of rubber diaphragms of the same specification can even be as much as doubled. Even more. At this time, some more expert friends may still be able to distinguish, but if it is a friend who has not been exposed to such products, it is difficult to distinguish. Whether it is expensive or scammed is really difficult to judge. 

First of all, you should check or communicate to see if the other party is a direct manufacturer. If it is a trader, the price will be relatively high, and the quality will not be controllable.

Although the rubber diaphragm seems to be just a rubber sheet, there are still many factors to make it well; for example: the quality of the rubber raw material, how the mold is designed when the mold is opened, and the environmental temperature and time control of the molding , Are very important links, here is just a hasty list for everyone, in fact, if each of these steps is not done in place, it will also have an impact on product quality.

The appearance of a good rubber diaphragm and a poor quality rubber diaphragm can be observed. The details of the good diaphragm are very beautiful, the rubber surface is very flat, the color is also very beautiful, and the service life is as good as The performance of the material itself can also be used well. In contrast, you can observe the poor quality rubber diaphragm. There will be burrs or burrs on the edge, and the touch of the rubber surface is not very good. This is not the most serious. What is more serious is that in the future use, there will be frequent problems, which will delay the normal operation of the machine.