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PVA itself usually comes in a white crystal powdered form. To make our bags this form is made into a film which is then made into our bags or spun into thread which is then made into mesh.The film can be made to nearly any thickness however if its too thin the bags will have no strength in them and if its too thick the bags will not melt within an acceptable time period. It is finding an acceptable balance between strength and breakdown that is important.
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