HTS subheading · chapter 39
3914.00
Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms
Analysis
Subheading 3914.00 covers ion-exchangers based on polymers of headings 3901 to 3913, in primary forms, within heading 3914. The first six digits are shared by every country that uses the Harmonized System, so this part of the code is the same in the US, UK and EU schedules; the 2 US tariff lines below it are national.
1 of its 2 lines with a percentage rate are duty-free at the general rate (50%) and 1 are dutiable, from duty-free up to 3.9%. The median line pays 1.95%.
The US splits it as follows: 3914.00.20 for cross-linked polyvinylbenzyltrimethylammonium chloride… (duty-free) and 3914.00.60 for ion-exchangers based on polymers of headings 3901 to 3913, in primary… (3.9%).
By Census's concordance, most of its statistical lines are made by Plastics Material and Resin Manufacturing (325211). Those are the NAICS industries a US producer of these goods would report under.
Goods only reach 3914.00 once they fall within heading 3914 (). Under General Rule 6, subheadings are then compared only with others at the same level, so a product is matched against its siblings, not against lines elsewhere in the chapter.
Tariff lines
| Line | Description | General rate |
|---|---|---|
| 3914.00.20 | Cross-linked polyvinylbenzyltrimethylammonium chloride (Cholestyramine resin USP) | Free |
| 3914.00.60 | Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms: other | 3.9% |