Surface Tension Tester from Canada
Du Noüy ring or Wilhelmy plate apparatus measuring liquid interfacial tension for chemical research and quality control. Fits HTS 9027.89.80 for instruments checking surface tension, a physical property analysis.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include force measurement precision specs (mN/m) in declarations
• Document method compliance (ASTM D971) for technical validation
• Ship rings/plates separately if interchangeable parts