There are many ways foam can become off ratio, and there is no single method to detect all off ratio issues. This is why Graco has created 5 component system to effectively detect and prevent all off ratio issues. In this video, we break down these methods and explain exactly how these can help detect any off ratio issues.
![](https://s2.save4k.ru/pic/sfJo9Dj1pUE/maxresdefault.jpg)