Digital Surface Tension Meter from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 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