Asbestos Valve Stem Packing from Mexico
Pre-formed asbestos rings for packing valve stems in chemical plants. HTS 6812.99.90.00 applies to these fabricated articles of asbestos mixtures. Resists corrosive fluids and high pressures.
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
• Provide pressure rating and chemical compatibility certificates
• Declare as 'parts of valves' only if imported with specific machinery to avoid reclassification
• Use double-bagging to contain potential fiber dust during customs inspection