5512.91.00 - Unbleached or bleached

This classification covers woven fabrics primarily composed of synthetic staple fibers, specifically those containing 85% or more by weight of such fibers. The fabrics within this HTS 5512.91.00 heading are further distinguished by their specific weave constructions. This category encompasses a wide array of fabric types, excluding those with explicit classifications elsewhere under the broader heading of woven fabrics of synthetic staple fibers.

Unlike its sibling category, 5512.99.00, which addresses "other" woven fabrics of synthetic staple fibers not meeting the specific weave requirements of 5512.91, this classification focuses on fabrics with identifiable and common weave patterns. The distinction lies in the detailed categorization of weave types, allowing for more precise tariff application.

Within this "Unbleached or bleached" designation, further subdivisions exist to categorize specific weave types. These subcategories, such as poplin or broadcloth, sheeting, printcloth, cheesecloth, lawns, voiles or batistes, duck, satin weave or twill weave, and Oxford cloth, allow for granular classification based on the fabric's construction and resulting characteristics. Each subcategory represents a distinct weave structure, impacting the fabric's drape, durability, and end-use applications.