2804.29.00 - Other

HTS code 2804.29.00, described as "Other," falls under the broader category of "Rare gases" within Chapter 28. This classification encompasses rare gases that are not specifically enumerated at a higher level. Unlike its sibling, 2804.21.00.00, which exclusively covers Argon, this category is a residual classification for other noble gases.

This HTS code serves as a catch-all for rare gases other than Argon. It's important to note that the "Other" designation is applied when the specific rare gas is not individually listed. The subcategories within 2804.29.00 provide further breakdown for specific rare gases and specialized isotopes, allowing for more precise classification based on the exact nature of the product being imported or exported.

The subcategories under 2804.29.00 are designed to distinguish between different specific rare gases and isotopically pure forms. This includes Helium (2804.29.00.10), Neon (2804.29.00.20), and specifically identified isotopically pure rare gases (2804.29.00.30) exceeding 99 percent purity. The residual subcategory, 2804.29.00.55, is for any remaining rare gases that do not fit into the more specific child classifications.