Of machinery for finishing paper or paperboard
Machinery for making pulp of fibrous cellulosic material or for making or finishing paper or paperboard (other than the machinery of heading 8419); parts thereof: > Parts: > Other: > Of machinery for finishing paper or paperboard
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8439.99.50.00
Paper Sizing Press Roll
Rubber-covered roll in sizing presses that applies starch or chemicals to paper surfaces during finishing for improved water resistance and printability. It is a part of paper finishing machinery under HTS 8439.99.5000. Essential for surface treatment in the paper production line.
Paper Calender Roll
A precision-ground steel roll used in paper finishing machines to impart a smooth, glossy surface to paper or paperboard through calendaring. It falls under HTS 8439.99.5000 as a part specifically designed for machinery that finishes paper by compressing and polishing its surface. These rolls are essential for achieving high-quality finishes in supercalenders.
Supercalender Pressure Roll
A heated, king roll component in supercalenders that applies high pressure to finish paperboard, enhancing brightness and smoothness. Classified under HTS 8439.99.5000 for its exclusive use in paper finishing machinery. It works in stacks to progressively refine paper surfaces.
Yankee Dryer Doctor Blade
A thin metal blade that scrapes the Yankee dryer surface in tissue paper finishing lines to remove residues and ensure uniform creping. Falls under HTS 8439.99.5000 as a part of paper finishing machinery. Critical for high-speed tissue production.
Coater Applicator Head
Precision head assembly that applies pigments or coatings evenly to paper during the finishing process in coating machines. Classified in HTS 8439.99.5000 for paper finishing machinery parts. Improves paper opacity and print quality.
Paper Finishing Machine Felt
Specialized synthetic felt used in shoe presses or calenders to support paper during finishing without marking the surface. A part under HTS 8439.99.5000 for paper finishing equipment. Designed for high-pressure, moisture-resistant environments.
Reel Spool for Paper Winder
Core spool that winds finished paper reels in finishing lines, designed to handle high-tension paperboard. Part of paper finishing machinery under HTS 8439.99.5000. Prevents web breaks during take-up.
Slitter Blade Holder Assembly
Adjustable holder for circular slitter blades in paper finishing slitters that trim edges precisely. Classified as HTS 8439.99.5000 part for finishing machinery. Ensures clean cuts on finished paperboard.
Finishing Section Gearbox
Precision gearbox driving the finishing calender or coater sections of paper machines at controlled speeds. A key mechanical part under HTS 8439.99.5000. Maintains synchronization in multi-roll finishing.
Air Doctoring System Nozzle
High-pressure air nozzle assembly that removes excess coating from paper in finishing coaters using air knife technology. Part of HTS 8439.99.5000 for paper finishing equipment. Provides uniform coating thickness.
Calender Safety Bar
Hydraulic safety bar that stops paper finishing calenders instantly upon web break detection. Safety part under HTS 8439.99.5000. Prevents roll damage in high-speed operations.
Paper Web Guide Sensor Bracket
Mounting bracket for edge sensors that align paper web in finishing machines, preventing skew. Mechanical part of HTS 8439.99.5000 paper finishing machinery. Ensures precise tracking.
Finishing Machine Tension Control Roller
Servo-controlled idler roller that maintains constant web tension in paper finishing lines. Part under HTS 8439.99.5000. Prevents wrinkles and tears during processing.
Coating Station Vacuum Box
Vacuum suction box under coating stations in paper finishing that removes excess liquids and stabilizes the web. Classified HTS 8439.99.5000 part. Enhances coating uniformity.
Paper Finishing Breaker Bar
Oscillating bar ahead of calenders that breaks paper web bonds to prevent sticking and ensure even feeding. Finishing machinery part under HTS 8439.99.5000. Improves sheet formation.