Quantitative Filter Paper Grade 1 from Mexico
Uncoated filter paper in sheets or rolls, made from refined cellulose with high purity for laboratory gravimetric analysis. It meets note 3 to chapter 48 as it's not further worked beyond basic formation, classifying under 4805.40.00.00 due to its specific use in filtration of precipitates.
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
• Verify fiber purity and ash content via lab certification to confirm filter paper classification under 4805.40
• Provide end-use documentation like lab purchase orders to avoid misclassification as printing paper
• Check for creasing or folding, as further processing could shift to heading 4823