Porcelain Buchner Funnel for Lab Filtration from Mexico
Fixed-porosity porcelain Buchner funnel fired for vacuum filtration in laboratories. HTS 6909.19.50.95 covers this as laboratory chemical ware with translucent, low-absorption body. Essential for separating precipitates efficiently.
Duty Rate — Mexico → United States
14%
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
• Specify porosity grade (e.g
• coarse/fine) in docs to affirm lab specificity
• Pair with filter flask invoices if sets, but classify individually unless matching
• Reject if heated below 800°C curing; demand supplier firing logs