HTS heading 9012: Microscopes other than optical microscopes; diffraction apparatus; parts and accessories thereof

Heading 9012 of the US Harmonized Tariff Schedule covers Microscopes other than optical microscopes; diffraction apparatus; parts and accessories thereof. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 9012 at a glance

• 2 rated tariff lines; 2 duty-free at the general (MFN) rate.
• Section 301 (products of China): 2 of 2 lines on a list in effect (List 1).

Goods named in this heading (official line texts): Microscopes other than optical microscopes; diffraction apparatus, Parts and a….

Subheadings (6-digit)

• 9012.10: Microscopes other than optical microscopes; diffraction apparatus (1 line)
• 9012.90: Microscopes other than optical microscopes; diffraction apparatus; parts and acc…: Parts and a… (1 line)

All tariff lines in heading 9012

All of chapter 90 · Chapter 90 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

🔔 Get a browser alert when US tariffs change (free, no email, one click to stop).