3914 Ion-exchangers; based on polymers of heading no. 3901 to 3913, in primary forms

MFN rates from the Harmonized Tariff Schedule as published, without preferences, quotas, trade remedies or additional measures. Inferred works those out for each product and origin. Whether a product from this heading qualifies for a lower rate depends on each agreement's product-specific rule for it, under the agreements we cover.