5210.21.40 - Of number 42 or lower number

This HTS classification, 5210.21.40, specifically covers bleached woven fabrics of cotton, containing less than 85 percent by weight of cotton and mixed mainly or solely with man-made fibers. A crucial defining characteristic for this category is the yarn count or thread count of the fabric. It encompasses fabrics woven from yarn with a number of 42 or lower. This designation relates to the fineness of the yarn used in the weave, directly impacting the density and overall feel of the fabric.

When distinguishing this category from its siblings, the primary differentiator lies in the yarn number. HTS code 5210.21.60 applies to similar fabrics but woven from yarn numbered 43 to 68, indicating a finer yarn. Similarly, 5210.21.80 is for fabrics made with even finer yarns, numbered 69 or higher. Therefore, 5210.21.40 represents a subset of these mixed-fiber cotton fabrics characterized by the use of coarser yarns.

Within this classification, further subdivisions exist to provide more granular detail based on the weave structure. The subcategories 5210.21.40.20 (Poplin or broadcloth), 5210.21.40.40 (Sheeting), and 5210.21.40.90 (Cheesecloth) help importers and customs officials identify specific fabric types that meet the overarching criteria of bleached, mixed-fiber cotton fabric weighing not more than 200 g/m², with a yarn number of 42 or lower. These subdivisions are important for accurately reflecting the intended end-use and precise textile construction.