Wafer Lapping Machine Polishing Pad
Abrasive polishing pads for wafer lappers and polishers that achieve flatness tolerances for semiconductor fabrication readiness. Falls under HTS 8422.90.91.95 per statistical notes for wafer preparation machinery parts. Ensures mirror-finish wafer surfaces critical for device processing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If generic abrasive wheels/pads
Millstones or non-machinery-specific abrasives fall under Chapter 68.
If industrial coated textiles
Abrasive textile belts classify under Chapter 59 if not machinery-integrated.
If tool parts for grinding
Certain lapping consumables treated as tool parts under machine tools.
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Import Tips & Compliance
• Specify pad grit and flatness specs (<0.1 micron); use ESD-safe packaging; avoid bulk classification as generic abrasives
Related Products under HTS 8422.90.91.95
Czochralski Crystal Puller Spare Motor
Replacement electric motor for Czochralski crystal pullers used in semiconductor wafer manufacturing to produce monocrystalline silicon boules. This part falls under HTS 8422.90.91.95 as a component of specialized semiconductor processing machinery classified within packing or wrapping machinery parts per statistical notes. It enables precise control during crystal growth processes.
Wafer Slicing Saw Blade Assembly
Diamond-impregnated blade assembly for wafer slicing saws that cut monocrystalline semiconductor boules into thin wafers. Classified under HTS 8422.90.91.95 as parts of semiconductor wafer preparation equipment within the packing machinery chapter per statistical notes. Ensures precise, damage-free wafer production.
Crystal Grinder Spindle Kit
Precision spindle replacement kit for crystal grinders that shape semiconductor boules to exact wafer diameters and flats indicating conductivity. HTS 8422.90.91.95 covers this as parts of wafer preparation equipment in semiconductor statistical provisions. Critical for maintaining boule precision before slicing.
Float Zone Crystal Grower Heating Element
High-frequency induction heating coil for float zone crystal growers producing ultra-pure semiconductor boules without crucibles. HTS 8422.90.91.95 includes parts for crystal growers per semiconductor statistical notes. Enables zone melting for defect-free silicon.
Semiconductor Wafer Edge Grinder Collet
Precision collet chuck for holding wafers during edge grinding to remove damage layers post-slicing. Part of wafer grinder equipment under HTS 8422.90.91.95 statistical provisions for semiconductor processing. Maintains wafer roundness and edge quality.
Wafer Polisher Slurry Distribution Ring
Ceramic ring distributing polishing slurry evenly across wafer surface in chemical mechanical polishers. HTS 8422.90.91.95 part for wafer polishing equipment in semiconductor notes. Achieves global planarization for device fabrication.