Water-soluble PVA film has the h3 polarity and the excellent printability so as to various patterns can be printed on the film clearly be normal methods.. Presently it has been widely used in the field of special printing.like the Curved face print.
The water-soluble bland film has good capability of resisting oil, mineral oil, almost all fat and organic solvent and the carbohydrate. (like vegetable oil, animal oil, mineral oil), Keep the water-soluble film away from h3 alkali, acid, chlorine free radical and other substances that react to PVA (like the borax, boric acid, some coloring matter), water-soluble film is not suggested for packing all this substances.
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