why to doAir tightness testingWoolen cloth.Many products need to be waterproof, or need to be tested for air tightness to prevent gas from entering and leaking.The most original and simple way is to put the product into water and see if there are bubbles coming out of the product in the water.The disadvantage of this method is very obvious, that is, many products cannot be wetted.Even if it can get wet, the product needs to be dried.It’s quite time-consuming and labor-intensive!

Now let’s talk about two widely used methods: direct pressure air tightness testing and differential pressure air tightness testing. The principles of the two methods are basically the same.Using compressed air as the medium, the changes in parameters of the air tightness testing equipment are tested to calculate the specific leakage value, and then the leakage value is used to determine whether the product is qualified.

This approach does no harm to the product becauseAir tightness testingIt uses air as the medium.The operation is also very simple, and most manufacturers are already using this method in production.And it got unanimous praise from everyone![This article was edited and published by Hirays (http://www.yiqingwy.cn/) Please indicate the source for reprinting]