3921.90.25 - Products with textile components in which man-made fibers predominate by weight over any other single textile fiber

This HTS category, 3921.90.25, covers composite products formed from plastics combined with textile materials. Specifically, it applies to sheets, plates, films, foils, and strips of plastic where the textile component is a significant element, and where man-made fibers constitute the predominant fiber by weight within that textile component. These materials are typically characterized by their layered structure, integrating the properties of both plastic and woven or non-woven fabrics.

Distinguishing this category from its siblings, 3921.90.21, is the nature of the predominating textile fiber. While 3921.90.21 specifically addresses products where cotton is the predominant fiber by weight, 3921.90.25 focuses on those where any *man-made* fiber (e.g., polyester, nylon, acrylic) is predominant by weight over any other single textile fiber, including cotton. The sibling 3921.90.29 represents all other remaining composite products not covered by the other specific textual components.

Within this classification, further subdivisions exist to refine the classification based on the proportion of plastic. The subcategory 3921.90.25.10 is for products where plastics make up over 70 percent of the total weight. The subcategory 3921.90.25.50, designated as "Other," captures remaining products within this broader category that do not meet the specific weight threshold for plastics outlined in the first subcategory.