Paper-Impregnated Circuit Board for Clock Movements
Quartz clock mechanism control PCB featuring wholly impregnated paper base per HTS 8534.00.00.50, driving stepper motors for analog display hands. Used in wall, desk, and alarm clocks for precise timekeeping. Economical alternative to ceramic substrates in volume production.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If assembled complete clock movements
Finished timekeeping movements classify under complete clock heading.
If high-precision time base circuits
Premium clocks use temperature-stable glass-epoxy boards.
If rectifier circuits for AC/DC clock power supplies
Power conversion sections classify as electric motors/generators parts.
Not sure which classification is right?
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Import Tips & Compliance
• Accuracy certification (±15 sec/month) should reference PCB material stability data
• Package as 'clock mechanism subassembly components' for proper tariff alignment
• Avoid declaring as complete movements; bare PCBs get different treatment from mechanisms
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