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8451.90.90/Double-Sided Wafer Lapper Ring/Canada

Double-Sided Wafer Lapper Ring from Canada

Conditioning ring for double-sided lapping machines processing semiconductor wafers simultaneously on both surfaces for ultimate flatness. HTS 8451.90.90 as lapping equipment parts per statistical notes. Distributes slurry evenly across multiple wafers in carrier plates.

Duty Rate — Canada → United States

13.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Provide ring material (resin, stainless) and slurry flow groove specifications

• Document conditioning frequency and lapper plate diameter compatibility

Double-Sided Wafer Lapper Ring from Canada — Import Duty Rate | HTS 8451.90.90