E-Glass Yarn for Industrial Packing Seals
Uncolored E-glass yarn designed specifically for use as packing material in industrial seals and gaskets. This continuous filament yarn provides high temperature resistance and lubrication properties essential for mechanical packing applications. It falls under HTS 7019.13.15.40 due to its explicit use in industry as packing or lubricating materials.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used for textile reinforcement rather than packing
Yarns intended for composite reinforcement or textile applications fall under the general yarn category rather than specialized industrial packing uses.
If chopped strands rather than continuous yarn
Chopped glass strands for industrial packing would classify under the chopped strands provision instead of continuous yarn.
If silica content below glass wool specifications
Glass fibers not meeting Chapter 70 glass wool composition requirements (per chapter notes) classify as mineral wools in Chapter 68.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify the yarn's intended industrial use through manufacturer specifications and end-use statements to qualify for this specific subheading
• Provide detailed technical data sheets showing fiber diameter, twist, and application as packing/lubricating material during customs clearance
• Avoid misclassification as textile yarns by emphasizing glass composition and industrial mechanical applications rather than apparel/textile uses
Related Products under HTS 7019.13.15.40
High-Temperature Glass Fiber Packing Rope
Twisted uncolored glass fiber yarn formed into rope specifically for high-temperature industrial valve packing and lubrication. Provides excellent thermal insulation and self-lubricating properties in mechanical seals. Classified under HTS 7019.13.15.40 for its dedicated industrial packing and lubricating function.
Graphite-Impregnated Glass Fiber Lubricating Yarn
Uncolored glass fiber yarn lightly impregnated with graphite for superior lubricity in industrial bearing and stuffing box applications. The minimal treatment maintains glass fiber classification while enhancing packing and lubrication performance. Meets HTS 7019.13.15.40 criteria for industrial lubricating materials.
Valve Stem Packing Glass Fiber Yarn
Specialty uncolored glass fiber yarn engineered for compressed valve stem packing in petrochemical processing equipment. Offers chemical resistance and dimensional stability under high pressure. Specifically qualifies under HTS 7019.13.15.40 for industrial packing applications.
Industrial Pump Shaft Glass Fiber Packing
Continuous filament uncolored glass yarn for packing industrial pump shafts and rotating equipment. Provides reliable sealing and lubrication in abrasive slurry environments. HTS 7019.13.15.40 classification reflects its dedicated industrial packing role.