Wafer Slicing Saw Coolant Control Valve
Precision valve managing deionized water coolant flow in wafer slicing saws that cut monocrystalline boules into thin silicon wafers. Falls under HTS 8481.90.9085 per statistical note (a)(ii)(B) for wafer preparation equipment parts. Critical for flatness and damage prevention.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for general wafer grinding/lapping
Adjacent wafer prep steps have separate 'other' subprovisions within 8481.
If functioning primarily as filter part
Coolant filtration components shift to Chapter 84 filtering/purifying machinery.
If for bandsaw blade assemblies
Saw tool parts without flow control classify under Chapter 82 hand/saw provisions.
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Import Tips & Compliance
• Include saw equipment OEM specs confirming DI water purity requirements for classification support
• Declare flow rates (e.g
• 1-5 L/min) and material (PVDF for corrosion resistance) in commercial invoice
Related Products under HTS 8481.90.90.85
Wafer Prep Lapper Flow Regulator
Adjustable flow regulator valve for lapping machines maintaining consistent slurry pressure across wafer surface for tolerance compliance. Under HTS 8481.90.9085, statistical (a)(ii)(C).
Monocrystalline Silicon boule Vacuum Valve
Vacuum isolation valve for boule processing chambers preventing contamination during wafer slicing/grinding prep. HTS 8481.90.9085 for semiconductor wafer manufacturing equipment parts.
Semiconductor Wafer Grinder Air Valve
Pneumatic air valve actuating wafer grinder spindles for precise boule diameter control in prep equipment. Per HTS 8481.90.9085, note (a)(ii)(A/C).
Wafer Lapping Machine Slurry Valve
Corrosion-resistant valve dosing abrasive slurry in wafer lappers achieving sub-micron flatness for fabrication readiness. Classified HTS 8481.90.9085 under statistical note (a)(ii)(C) for wafer grinder/lappers/polishers.
Semiconductor Wafer Processing Valve
A precision stainless steel valve designed for controlling gas flow in semiconductor wafer processing equipment, such as crystal growers and pullers using Czochralski methods. It falls under HTS 8481.90.9085 as a part of semiconductor manufacturing apparatus classified as 'other' parts of valves for pipes and tanks. This ensures accurate classification separate from general industrial valves.
Czochralski Crystal Puller Flow Control Valve
High-purity valve for regulating argon or nitrogen flow in Czochralski crystal growers used to produce monocrystalline silicon boules for wafers. Classified under HTS 8481.90.9085 as 'other' parts tailored for semiconductor material growth equipment. Meets statistical note (a)(i) for crystal pullers.