Mason Jar Rubber Gasket Lid Seal from Canada
A ring-shaped vulcanized rubber gasket that fits under metal lids for mason jars, creating a vacuum seal for food preservation. Classified as a seal/closure under HTS 4016.99.1500. Distinct from Chapter 73 metal closures by rubber's sealing function.
Duty Rate — Canada → United States
12.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document as separate rubber gaskets, not metal lid assemblies, to maintain Chapter 40 status
• Food-grade certification (FDA 21 CFR 177.2600) required for compliance