1,Product:Polyvinyl alcohol 2,CAS No.:9002-89-5 3,MF:[C2H4O]n 4,Appearance:white flake,floccus ... or powder solid 5,First grade 1,Product:Polyvinyl alcohol2,CAS No.:9002-89-53,MF:[C2H4O]n4,Appearance:white flake,floccus or ... example is the envelope containing laundry detergent in "liqui-tabs 6)Feminine hygiene and adult incontinence products as a biodegradable plastic ...