Digital Surface Tension Meter from Canada
An electrical apparatus using the Wilhelmy plate method to precisely measure liquid surface tension for quality control in pharmaceuticals and coatings. Classified under HTS 9027.89.45.60 for electrical instruments measuring surface tension as a physical property. Features automated calculations and temperature compensation.
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
• Provide method of operation documentation (e.g
• pendant drop vs
• Wilhelmy) to confirm physical analysis classification
• Ensure ISO 17025 calibration traceability for laboratory import validation
• Declare maximum sample viscosity limits to avoid misclassification as viscometers