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Machinery for making pulp of fibrous cellulosic material or for making or finishing paper or paperboard. > Parts: > Other
Duty Rate (from China)
Products classified under Tariff item 8439.9
Blow Tank Pressure Valve
A high-pressure relief valve for pulp blow tanks that discharge cooked pulp from digesters safely. This valve is a part of machinery for making pulp of fibrous cellulosic material, classified under tariff item 8439.91.00.
8439.91.00Brown Stock Thickener Drive Gear
A precision drive gear for vacuum rotary thickeners that dewater brown stock pulp prior to bleaching. This gear is a part of machinery for making pulp of fibrous cellulosic material, falling under tariff item 8439.91.00.
8439.91.00Cellulosic Stock Cleaner Hydrocyclone Liner
A wear-resistant polyurethane liner for hydrocyclone pulp cleaners, used to remove heavy contaminants from cellulosic stock during pulp preparation. This liner is a replaceable component of machinery for making pulp of fibrous cellulosic material, falling under tariff item 8439.91.00.
8439.91.00Chip Bin Vibrator Motor Mount
A custom vibration isolation mount for motors on wood chip storage bins in pulp mills. This mount is a part of machinery for making pulp of fibrous cellulosic material, classified under tariff item 8439.91.00.
8439.91.00Chip Feeder Screw Conveyor
A robust screw conveyor section for feeding wood chips into pulp digesters at controlled rates. This conveyor is a part of machinery for making pulp of fibrous cellulosic material, falling under tariff item 8439.91.00.
8439.91.00Continuous Digester Feed Valve Actuator
A pneumatic actuator for feed valves in continuous pulp digesters controlling chip/liquor flow. This actuator is a part of machinery for making pulp of fibrous cellulosic material, classified under tariff item 8439.91.00.
8439.91.00Defibrator Rotor Assembly
A heavy-duty rotor with beater bars for pulp defibrators that break down pulp laps into slurry. This rotor is a part of machinery for making pulp from fibrous cellulosic materials, falling under tariff item 8439.91.00.
8439.91.00Digester Peeler Blade
A specialized blade for batch digester peelers that remove spent chips from vessel walls post-cook. This blade is a part of machinery for making pulp of fibrous cellulosic material, classified under tariff item 8439.91.00.
8439.91.00Kraft Pulp Stock Chest Agitator Blade
A replaceable agitator blade for maintaining uniform consistency in kraft pulp stock chests during pulp preparation. This blade is a component of machinery used for making pulp of fibrous cellulosic material, classified under tariff item 8439.91.00.
8439.91.00Kraft Pulp Washer Screen Plate
A perforated stainless steel screen plate used in vacuum pulp washers to separate black liquor from pulp fibers after digestion. It is a part of machinery for making pulp from fibrous cellulosic materials, falling under tariff item 8439.91.00.
8439.91.00Mechanical Pulp Deflaker Rotor
A hardened steel rotor assembly for deflakers that break down fiber bundles in mechanical pulp stock treatment. This rotor is a part of machinery for making pulp of fibrous cellulosic material, falling under tariff item 8439.91.00.
8439.91.00Paper Pulp Bed Plate
A heavy-duty cast iron bed plate designed for use in paper pulp refining machinery, providing a stable surface for stock treatment during the pulping process. This bed plate is a part of machinery for making pulp of fibrous cellulosic material, classified under tariff item 8439.91.00.
8439.91.00Pulp Digester Agitator Blade
A heavy-duty stainless steel blade designed for installation in pulp digesters to mix and circulate wood chips during the chemical pulping process. It is a part specifically for machinery making pulp of fibrous cellulosic materials, classified under tariff item 8439.91.00.
8439.91.00Pulp Press Roll Segment
A segmented roll covering for pulp presses that squeeze water from pulp before drying. It is classified under tariff item 8439.91.00 as a part for pulp-making from cellulosic materials, providing high-nip pressure for efficient dewatering.
8439.91.00Pulp Pump Impeller
A specialized open-style impeller for medium-consistency pulp pumps transferring slurry between process stages. Tariff item 8439.91.00 covers it as a part for pulp-making machinery from cellulosic fibers, designed to handle abrasive and viscous fluids.
8439.91.00Pulp Refiner Disc Segment
A replaceable grooved disc segment for double-disc refiners that mechanically fibrillate pulp fibers to improve paper strength. It falls under tariff item 8439.91.00 as a part of pulp-making machinery from cellulosic materials.
8439.91.00Pulp Refiner Roll Bar
A stainless steel roll bar used in pulp refiners to mechanically treat and fibrillate cellulosic stock for improved paper quality. This roll bar is a part of machinery for making pulp of fibrous cellulosic material, falling under tariff item 8439.91.00.
8439.91.00Pulp Screener Basket
A cylindrical slotted basket for pulp screening equipment that removes shives and debris from pulp stock. Tariff item 8439.91.00 covers it as a part for machinery making pulp of fibrous cellulosic materials, with precision slots ensuring clean pulp.
8439.91.00Pulp Stock Screen Basket
A perforated stainless steel basket for pressure screens separating fiber from contaminants in pulp stock. This basket is a component of machinery for making pulp of fibrous cellulosic material, classified under tariff item 8439.91.00.
8439.91.00Recovery Boiler Liquor Nozzle
A black liquor spray nozzle for kraft pulp recovery boilers that burn spent cooking liquor to recover chemicals. While boiler-focused, it is classified as a part of pulp-making machinery under tariff item 8439.91.00 due to its integral role in the pulp process.
8439.91.00Sulfate Pulp Jordan Refiner Plug
A precision-machined plug insert for Jordan conical refiners used in sulfate pulp stock fibrillation. This plug is a part of machinery for making pulp of fibrous cellulosic material, falling under tariff item 8439.91.00.
8439.91.00TMP Pulp Double-Disc Refiner Disc Segment
Segmented alloy steel discs for thermomechanical pulp (TMP) double-disc refiners treating wood chips into pulp stock. These discs are parts of machinery for making pulp of fibrous cellulosic material, classified under tariff item 8439.91.00.
8439.91.00Wood Chip Impregnator Nozzle Assembly
A precision-engineered nozzle set for wood chip impregnators that pre-treat chips with cooking chemicals before digestion in pulp production. It is classified under tariff item 8439.91.00 as a part of pulp-making machinery for fibrous cellulosic materials.
8439.99.00Air Doctoring System Nozzle
This high-pressure air nozzle assembly is designed to remove excess coating from paper in finishing coaters, using air knife technology to ensure a uniform coating thickness. It is a part of machinery used for finishing paper or paperboard, falling under tariff item 8439.99.00 as an 'Other' part.
8439.99.00Calender Safety Bar
This hydraulic safety bar is a part of paper finishing calenders, designed to stop the machine instantly upon web break detection to prevent roll damage in high-speed operations. It is classified under tariff item 8439.99.00 as a part of machinery for finishing paper or paperboard.
8439.99.00Calender Stack Pressure Unit
A hydraulic pressure control unit that maintains nip pressure in supercalender stacks during paper finishing. It is integral to the operation of paperboard making machinery, providing uniform gloss and smoothness to the finished product.
8439.99.00Coater Applicator Head
This precision head assembly applies pigments or coatings evenly to paper during the finishing process in coating machines, improving paper opacity and printability. It is a part of machinery for finishing paper or paperboard, classified under tariff item 8439.99.00 as an 'Other' part.
8439.99.00Coating Station Vacuum Box
This vacuum suction box is installed under coating stations in paper finishing machines to remove excess liquids and stabilize the paper web, enhancing coating uniformity. It is a part of machinery for finishing paper or paperboard, classified under tariff item 8439.99.00.
8439.99.00Doctor Blade Holder for Paper Machine
An adjustable holder assembly for doctor blades that clean and control Yankee dryer surfaces in paper machines. This precision component is essential for maintaining paper web quality and is specifically designed for papermaking machinery.
8439.99.00Finishing Machine Tension Control Roller
This servo-controlled idler roller maintains constant web tension in paper finishing lines, preventing wrinkles and tears during processing. It is a part of machinery for finishing paper or paperboard, classified under tariff item 8439.99.00 as an 'Other' part.
8439.99.00Finishing Section Gearbox
This precision gearbox drives the finishing calender or coater sections of paper machines at controlled speeds, maintaining synchronization in multi-roll finishing. It is a key mechanical part under tariff item 8439.99.00 for paper finishing machinery.
8439.99.00Fourdrinier Paper Machine Wire Section Roll
A stainless steel roll used in the wire section of a Fourdrinier paper machine to support and transport the forming wire during paper formation. It is a part specifically designed for papermaking machinery, ensuring proper sheet formation.
8439.99.00Paper Calender Roll
This precision-ground steel roll is used in paper finishing machines to impart a smooth, glossy surface to paper or paperboard through calendaring. It is specifically designed for paper finishing machinery and falls under tariff item 8439.99.00 as a part.
8439.99.00Paper Finishing Breaker Bar
This oscillating bar is placed ahead of calenders in paper finishing machines to break paper web bonds, preventing sticking and ensuring even feeding. It is a part of machinery for finishing paper or paperboard, classified under tariff item 8439.99.00.
8439.99.00Paper Finishing Machine Felt
This specialized synthetic felt is used in shoe presses or calenders to support paper during finishing without marking the surface, designed for high-pressure and moisture conditions. It is a part of machinery for finishing paper or paperboard, classified under tariff item 8439.99.00.
8439.99.00Paper Machine Breast Roll Bearing Housing
A heavy-duty housing for bearings supporting the breast roll at the headbox end of paper machines. Designed for wet-end vibration and loads, it ensures wire section alignment in papermaking machinery.
8439.99.00Paper Machine Headbox Slice
A precision-machined component that controls the flow and distribution of pulp slurry onto the forming wire in the headbox of paper machines. It is a critical part of papermaking equipment, ensuring uniform paper formation.
8439.99.00Paper Machine Pope Reel Drive Shaft
A precision-machined drive shaft coupling pope reel sections for continuous winding without reel changes. It is critical for high-speed paperboard production and is a part of papermaking machinery.
8439.99.00Paper Machine Press Felt
A synthetic fabric belt used in the press section of paper machines to dewater the paper web by squeezing out water. It is an essential part of paperboard making machinery, designed for continuous operation.
8439.99.00Paper Machine Shower Oscillator
A pneumatic oscillator that traverses high-pressure shower nozzles to clean forming wires and felts. It is specific to paper machinery maintenance and prevents contamination buildup during production.
8439.99.00Paper Machine Suction Roll Shell
A perforated stainless steel shell for suction rolls that dewater paper web through vacuum application. It is an essential part of paperboard making machinery, with hole patterns optimized for specific paper grades.
8439.99.00Paper Machine Wire Return Roll
A ceramic-coated return roll that guides forming wire back to headbox in continuous paper production. It has a specific wear-resistant design for paper machinery and minimizes wire tracking issues.
8439.99.00Paper Sizing Press Roll
This rubber-covered roll is used in sizing presses to apply starch or chemicals to paper surfaces during finishing, improving water resistance and printability. It is a part of paper finishing machinery under tariff item 8439.99.00.
8439.99.00Paper Web Guide Sensor Bracket
This mounting bracket is designed for edge sensors that align paper webs in finishing machines, preventing skew and ensuring precise tracking. It is a mechanical part of paper finishing machinery under tariff item 8439.99.00.
8439.99.00Reel Spool Core for Paper Machine
A heavy cardboard or composite core for parent reels that wind full-width paper web at machine speeds up to 5000 fpm. It is designed for paper making reel stands and is a part of papermaking machinery.
8439.99.00Reel Spool for Paper Winder
This core spool winds finished paper reels in finishing lines, designed to handle high-tension paperboard and prevent web breaks during take-up. It is a part of paper finishing machinery under tariff item 8439.99.00.
8439.99.00Size Press Roll Covering
A specialized rubber or composite covering for size press rolls that apply surface sizing to paper. It is part of paper finishing machinery but specific to the making process, providing controlled penetration of starch.
8439.99.00Slitter Blade Holder Assembly
This adjustable holder is for circular slitter blades in paper finishing slitters, trimming edges precisely and ensuring clean cuts on finished paperboard. It is classified as a part of paper finishing machinery under tariff item 8439.99.00.
8439.99.00Supercalender Pressure Roll
This heated king roll component is used in supercalenders to apply high pressure to finish paperboard, enhancing brightness and smoothness. It is classified under tariff item 8439.99.00 for its exclusive use in paper finishing machinery.
8439.99.00Thermocouple Assembly for Paper Machine Dryers
A high-temperature thermocouple probe assembly with thermowell for monitoring Yankee dryer surface temperatures. It is an essential safety and control component for paper making machinery.
8439.99.00Vacuum Box Cover for Paper Machine
A corrosion-resistant cover for vacuum boxes that remove water from the paper web in the forming section. It is specifically designed for paper machinery and maintains vacuum integrity during production.
8439.99.00Yankee Dryer Cylinder
A large steam-heated cast iron cylinder used in tissue paper machines to dry and impart finish to the paper web. It is a core component of paper making machinery, achieving high drying efficiency.
8439.99.00Yankee Dryer Doctor Blade
This thin metal blade scrapes the Yankee dryer surface in tissue paper finishing lines to remove residues and ensure uniform creping. It falls under tariff item 8439.99.00 as a part of paper finishing machinery.