Natural Rubber Test Tube Stoppers from Mexico
Cylindrical stoppers of vulcanized natural rubber for sealing laboratory test tubes. HTS 4016.99.35 covers as other natural rubber articles, excluding Chapter 90 labware. Lab sealing function fits residual category.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm not Chapter 90 optical/measuring lab articles
• Sterilization compatibility documentation
• Size range specs for customs