Digital Surface Tension Electrical Tester from Japan
Instrument measuring surface tension of liquids via electrical pendant drop method for lab research. Fits HTS 9027.89.45.90 as electrical apparatus for checking surface tension explicitly listed. Used in pharmaceuticals and materials science.
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
• Document specific measurement parameters to confirm Chapter 90 classification over parts
• Avoid bulk packaging that suggests industrial machine status
• Certify as lab instrument, not machine part per Chapter notes