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 8485.90.90.00
Thermal Break Cartridge Heater
Cartridge heater isolating heat in extruder hotends for FDM printers. HTS 8485.90.90.00 part.
Layer Adhesion Roller
Roller ensuring layer bonding in continuous filament winding AM machines. HTS 8485.90.90.00.
Build Envelope Frame
Adjustable metal frame defining the printable volume in gantry-style additive manufacturing systems. HTS 8485.90.90.00 'other'.
Vibration Isolation Mount for Industrial AM Machine
Rubber-metal mounts reducing vibrations in large-format metal additive manufacturing systems during high-power laser operation. Classed under HTS 8485.90.90.00 as 'other' structural parts.
Powder Containment Hopper Lid
Sealed lid with sieve for powder supply hoppers in binder jetting or SLS additive manufacturing printers. HTS 8485.90.90.00 for 'other' material handling parts.
UV LED Curing Lamp Array
Array of UV LEDs for post-processing curing stations in resin additive manufacturing workflows. Under HTS 8485.90.90.00 as 'other' parts for AM finishing.
Software Calibration Fixture
Mechanical fixture for printer bed leveling and nozzle calibration in Cartesian additive manufacturing systems. HTS 8485.90.90.00 'other' alignment parts.
Gas Flow Nozzle for Inert Atmosphere AM
Nozzle directing argon/nitrogen purge gas in powder bed fusion printers to prevent oxidation. Classed HTS 8485.90.90.00 'other'.
Nozzle Assembly for FDM 3D Printer
This precision-engineered nozzle assembly is a replaceable part for fused deposition modeling (FDM) 3D printers used in additive manufacturing. It extrudes molten thermoplastic filament layer by layer to build objects and falls under HTS 8485.90.90.00 as an 'other' part not elsewhere specified for machines of additive manufacturing.
Build Plate for SLA Resin 3D Printer
A flat, optically clear build platform for stereolithography (SLA) additive manufacturing machines, where resin is cured layer by layer via laser. Classified under HTS 8485.90.90.00 as an essential 'other' part for holding and releasing printed models in resin-based printers.
Laser Module for SLS Powder Bed Fusion Printer
High-precision laser diode module for selective laser sintering (SLS) additive manufacturing systems, used to fuse powdered materials layer by layer. It qualifies under HTS 8485.90.90.00 as an 'other' part critical to the fusion process in powder bed machines.
Reciprocator Arm for Metal DMLS Printer
A mechanical arm assembly that spreads metal powder evenly across the build platform in direct metal laser sintering (DMLS) additive manufacturing machines. Falls under HTS 8485.90.90.00 as an 'other' part dedicated to powder recoating in metal AM systems.
Heated Chamber Enclosure Panel
Insulated panel for maintaining elevated temperatures (up to 200°C) in the build chamber of polymer or metal additive manufacturing printers to prevent warping. Classified as HTS 8485.90.90.00 'other' parts for thermal management in AM machines.
Filament Extruder Gear Set
Precision gear set driving the filament feed mechanism in pellet-based or direct-drive additive manufacturing extruders. Under HTS 8485.90.90.00 as 'other' parts for material delivery in FDM-style printers.
Resin Vat Assembly for DLP Printer
Transparent vat holding photopolymer resin for digital light processing (DLP) additive manufacturing, with release film and leveling features. HTS 8485.90.90.00 covers this as an 'other' consumable/replaceable part.