Wafer Lapping Coolant Circulator from Canada
Temperature-controlled coolant circulation system for wafer grinders and lappers, maintaining optimal slurry temperatures during semiconductor wafer preparation. HTS 8419.89.9540 covers this cooling machinery for material treatment in wafer fab processes. Ensures flatness tolerances per statistical notes.
Duty Rate — Canada → United States
14.2%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include slurry temperature control specs and wafer grinder interface details in invoices
• Avoid general refrigeration classification by documenting semiconductor end-use