Wafer Slicing Saw Coolant Compressor Piston

High-precision piston for hermetic compressors that circulate coolant and slurry in diamond wire wafer slicing saws, cutting monocrystalline boules into thin semiconductor wafers. Ensures consistent pressure for uniform slicing without thermal distortion. Classified in 8414.90.41.55 for parts of semiconductor wafer preparation compressors under 8414.40.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8479.82.00Same rate: 35%

If integral to complete wafer slicing machinery

Mixing/bending machines for semiconductor material processing include internal compressors.

8414.90Same rate: 35%

If generic coolant compressors not semiconductor-specific

Lacks statistical note criteria for semiconductor wafer equipment.

9031.80.80Same rate: 35%

If part of measuring equipment for slice thickness

Precision measuring instruments for semiconductor wafers in Chapter 90.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Submit engineering specs showing pressure ratings compatible with wafer saw slurry systems

Document cleanroom-grade materials to distinguish from industrial compressor parts

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