Guard Column Cartridge Holder from Mexico
Quick-change holder for guard columns protecting analytical columns in 9027.50.40 HPLC setups. Electrically interlocked for system safety. Classed under 9027.90.56.50.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Column dimension compatibility (2.1mm, 4.6mm ID) must be documented
• Interlock safety certification prevents general hardware classification