Natural Rubber Stoppers for Bottles from Mexico
Molded vulcanized natural rubber stoppers for sealing glass bottles in laboratory or food applications. Classified as other articles of natural rubber in HTS 4016.99.3550, excluding hard rubber and Chapter 90 labware. Not in primary forms or waste per chapter definitions.
Duty Rate — Mexico → United States
10%
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
Import Tips
• Comply with FDA regs for food-contact natural rubber; include migration test results
• Distinguish from synthetic rubber plugs which classify differently
• Declare dimensions if over 5mm cross-section to avoid 4008 thread confusion