B32: Ultramid® B32 is a polyamide 6 grade of intermediate viscosity that is well suited for the production of biaxial oriented cast film and monofilaments.( 是一种聚酰胺6粘度等级的中间是井的双向拉伸薄膜和单丝生产铸造适合)
B3201: Ultramid B3201 is an intermediate viscosity, PA6 grade. It conforms to FDA requirements including(中间粘度，尼龙6级。它符合美国FDA的规定)