# HTS 9902.10.61: Siloxanes and silicones, di-Me, polymers with Me silsesquioxanes and polypropylene glycol mono-Bu ether (CAS No. 68554-65-4), greater than 70 percent by weight, with less than 8 percent percent by weight siloxanes and silicones, di-Me, polymers with Me silsesquioxanes and polyethylene-polypropylene glycol mono-Bu ether, less than 8 percent by weight poly(oxy(methyl-1,2-ethanediyl)), α-butyl-ω hydroxyl (CAS No. 9003-13-8), less than 2 percent by weight oxirane, methyl-, polymer with oxirane, monobutylether (CAS No. 9038-95-3), less than 8 percent by weight silanamine, 1,1,1, trimethyl (CAS No. 68909-20-6) and less than 1 percent by weight silicon dioxide (CAS No. 7631-86-9) (provided for in subheading 3824.99.92)

> Plain-language tariff reference from the USITC Harmonized Tariff Schedule on [PlainTariff](https://plaintariff.com/).

## Duty rates

- **General (MFN) rate:** Free
- **Special / FTA rate:** No change
- **Column 2 rate:** No change
- **Corpus rank:** #5238 of 5979 among duty-free tariff lines

## Classification path

- **Section XXII:** [Special Classification Provisions](https://plaintariff.com/section/xxii-special-classification-provisions)
- **HTS code:** 9902.10.61

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/99021061-siloxanes-and-silicones-di-me-polymers-with-me-silsesquiox*