What is the difference between PVC transparent wire tubes and PU transparent wire tubes？

When ordering transparent wire tubes, it is often asking which kind of material that needs to be a PVC or PU. So, what is the difference between PVC transparent and PU transparent wire tube?These two kinds of professionals may not see from the appearance, from the smell, the PVC transparent wire pipe will have a bit plastic odor, and the PU transparent wire tube is completely free, and the two are different, performanceThe difference is very far, whether it is temperature resistance, wear resistance is very different, PVC is a more affordable general-purpose material, its disadvantages are not high temperature, no low temperature, no wear and many do not meet foodLevel, while PU is resistant to high temperature, most of the low temperature can achieve food grade, such as some of the wine hoses, all of which are PU transparent wire tubes.