How to distinguish is polyester or composite tyre

Polyester tire with tread compound is waterproof material, but have very different properties of these two materials, so at the time of purchase to distinguish, otherwise easily deceived. Polyester is produced by polyester felt as raw material, and the composite set many are using poor quality mesh cloth base material. So the tread compound of short service life, low price, water resistance and so on. But the two kinds of materials in general is to distinguish not to come out, so today we teach you identify polyester or composite tyre.
1, when we buy this kind of waterproof materials, first look at the packaging described above, pay attention to some matters needing attention, the name on the packaging product license, product and so on, a lot of things to write more clearly, not vague. To see the Is it right? SBS waterproof material, because only the polyester waterproofing membrane can be called SBS coil, and the composite tire production with grid cloth can not be called SBS and waterproof material.
2, second are from essentially resolved, because a lot of fake what thing is done, so we have to come from the nature of the specific identification, the solution is to use the hands, a crack, and then watch his face, if is composite tyre would naturally have net fabric first revealed, and if it is polyester tire is exposed polyester fiber, this is observed from the nature, methods, and also the most effective is the most convenient.
3, the third method is the most fundamental, testing is to test institution.