3905300010
- Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers in primary forms
- Poly(vinyl alcohol), whether or not containing unhydrolysed acetate groups
- Viscous preparation, essentially consisting of poly(vinyl alcohol) (CAS RN 9002-89-5), an organic solvent and water for use as protective coating of wafers during the manufacturing of semiconductors