properties of PU sole
First of all, let's see if there are any signs of injection molding in it. If it has injection molding marks so this is not a PU sole. There is only two types of sole that does not show any sign of injection molding. The first one is PU sole and the second is PVA sole. If we have to confirm it further. The method is very easy. By using this method, your all doubts will be cleared.
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