The description of the item 3905999096 of Germany HScode: "Polymers of vinyl esters and other vinyl polymers, in primary forms (excl. those of vinyl chloride or other halogenated olefins, poly""vinyl acetate"", copolymers and poly""vinyl alcohol"", whether or not containing unhydrolised acetate groups, and poly""vinyl formal"" in blocks of irregular shape, lumps, powders, granules, flakes and similar bulk forms, of a molecular weight of >= 10.000 but <= 40.000 and containing by weight >= 9,5% but <= 13% of acetyl groups evaluated as vinyl acetate and >= 5% but <= 6,5% of hydroxy groups evaluated as vinyl alcohol) : Polymer of vinyl formal, in one of the forms mentioned in note 6|(b) to Chapter 39, of a weight average molecular weight (M w) of 25|000|or more but not more than 150|000|and containing by weight: -|9,5|% or more but not more than 13|% of acetyl groups evaluated as vinyl acetate and -|5|% or more but not more than 6,5|% of hydroxy groups evaluated as vinyl alcohol"