3905 99 10 --- Poly(vinyl formal), in one of the forms mentioned in note 6(b) to this chapter, of a molecular weight of 10000 or more but not exceeding 40000 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 - EU Vocabularies
