SMMA: medical grades
Data comes from public supplier literature (cited on each grade page). A blank cell means not stated in the source, not "no". Always confirm with the supplier's current documentation before use.
| Grade | Maker | Family |
|---|---|---|
| NAS 21 | INEOS Styrolution | SMMA |
| NAS 30 | INEOS Styrolution | SMMA |
| NAS 90 | INEOS Styrolution | SMMA |