Sub Headings of 3908

3908.10.00.00 Polyamide-6, -11, -12, -6,6, -6,9, -6,10 or -6,12
3908.90.20.00 Bis(4-amino-3-methylcyclohexyl)methane-isophthalic acid-laurolactam copolymer
3908.90.70.00 Other