Cryogenic Glass Wool Pipe Insulation from Mexico
Specialized low-temperature glass wool for LNG pipe coverings, multi-layered for extreme cold. Under 7019.80.10.20 as glass wool pipe insulation product. Fused silica base qualifies throughout tariff.
Duty Rate — Mexico → United States
14.9%
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
• Include cryogenic test certifications (e.g
• ASTM C177)
• Declare precisely to avoid general insulation mix-up
• Pitfall: high value misdeclared as equipment parts