7019.66.30.00 - Fiberglass tire cord fabric woven from electrically nonconductive continuous fiberglass filaments 9 microns in diameter to 11 microns in diameter and impregnated with resorcinol formaldehyde latex treatment for adhesion to polymeric compounds (622)

This HTS category, 7019.66.30.00, specifically classifies fiberglass tire cord fabric. These fabrics are characterized by their construction from continuous fiberglass filaments with diameters ranging from 9 to 11 microns. Crucially, they undergo an impregnation process with a resorcinol formaldehyde latex treatment. This treatment is essential for enhancing adhesion to polymeric compounds, making them suitable for reinforcing tires. The fabric itself is woven in a plain weave, has a width exceeding 30 cm, weighs less than 250 g/m², and is composed of filaments where each single yarn measures no more than 136 tex.

Distinguishing this classification from its sibling, 7019.66.40 (Other), hinges on the specific material treatment. While both fall under open woven fiberglass fabrics of a certain width and weave, this subcategory is reserved for those specifically treated with resorcinol formaldehyde latex for tire cord applications. The "Other" category would encompass similar woven fiberglass fabrics that do not meet these precise treatment and application criteria.

As a leaf node, this classification does not have further subcategories. The detailed specifications regarding filament diameter, impregnation treatment, weave type, width, weight, and tex measurement serve to precisely define the scope of goods classified under 7019.66.30.00, ensuring correct customs processing for this specialized type of fiberglass fabric used in the tire manufacturing industry.