Vulcanized Natural Rubber Pipe Plugs from Mexico
Tapered plugs from natural rubber used to temporarily seal pipes during testing or storage. Classified in HTS 4016.99.35 as other articles of vulcanized natural rubber, not stoppers of glass/plastic. Sealing utility for plumbing defines it.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Specify temporary use to avoid Chapter 73 permanent fittings
• Document natural rubber content exceeding 50%
• Include durometer hardness specs for verification