8420.91.10.00 - For textile calendering or rolling machines

HTS code 8420.91.10.00 specifically covers cylinders that are designed for use with textile calendering or rolling machines. Calendering is a process where fabric is passed between heated rollers to impart a smooth, glossy, or compressed finish. These cylinders are crucial components of machinery dedicated to these finishing operations within the textile industry.

This classification is distinct from its siblings, particularly 8420.91.20.00, which pertains to cylinders used in machines for making paper pulp, paper, or paperboard. While both involve rolling or calendering, the intended end-use and the specific type of material being processed (textiles versus paper products) are the key differentiators. The classification also differs from 8420.91.90.00, which serves as a residual category for cylinders not otherwise specified.

As a leaf node, HTS code 8420.91.10.00 represents a specific type of cylinder. Classification under this code relies on demonstrating that the cylinder's design, material, and dimensions are intended for application in textile finishing machinery. Examples might include highly polished cylinders for imparting sheen to fabrics, or textured cylinders for embossing patterns onto textiles. The absence of subcategories means that any cylinder fitting this description for textile calendering or rolling machines would fall directly under this heading.