Solder Mask Spray Applicator for Printed Circuit Boards from Mexico
Specialized spray system for uniform application of liquid solder mask onto bare PCBs, protecting copper traces during assembly. Features precision nozzles for micron-level control used principally in printed circuit assembly lines. Falls under HTS 8424.89.10.00 as a mechanical dispersing appliance dedicated to PCB manufacturing.
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
• Provide chemical compatibility certificates for solder mask formulations to demonstrate specialized PCB use
• Include PCB production line integration diagrams in documentation to support 'solely or principally' classification criterion
• Avoid misclassification by excluding units with manual spray guns; ensure fully mechanical operation