Price, PVC is cheap, PE is expensive
Performance, they are not heat-resistant, <45 ℃ use (some people have made changes to the molecular structure of the PE, that is, PEX and PERT, can be resistant to high temperatures)
Application, PVC application is more widely used, but also and it is cheaper related to, PE's The application is far from being so extensive
Hygiene performance, PVC because of chlorine, when heated, will release chlorine, and water in the air to reflect, produce hydrogen chloride gas, toxic to humans, and PE contains only two elements of carbon and hydrogen, hygiene and non-toxicity
Don't know what you want to do, simple to say so much it! I'm not sure what you're going to do, but that's all I'm going to say!