6217.90.10 - Containing 70 percent or more by weight of silk or silk waste

This HTS classification, 6217.90.10, specifically covers parts of garments or clothing accessories that are not knitted or crocheted and are composed of 70 percent or more by weight of silk or silk waste. These parts are intended for use in constructing or repairing various articles of apparel or clothing accessories. Examples include collars, cuffs, pocket flaps, or waistbands made predominantly of silk, destined for use in garments such as dresses, suits, or blouses.

This specific subdivision distinguishes itself from its sibling category, 6217.90.90 ("Other"), by its precise material composition requirement. While 6217.90.90 would encompass parts made from other materials or combinations of materials not meeting the silk threshold, 6217.90.10 is exclusively for those with a substantial silk content. This strict material specification is a key determinant for accurate classification.

The subcategories within 6217.90.10 provide further detail by specifying the intended garment type for these silk parts. These subdivisions, such as "Of blouses and shirts," "Of coats and jackets," and "Of trousers and breeches," allow for more granular tracking and statistical reporting based on the end-use application of the silk garment components. This breakdown aids in understanding the flow of silk-based apparel parts within international trade.