Digital Surface Tension Meter from China
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 — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
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