Paper Phenolic PCB for Calculator Circuits
FR-1 paper phenolic printed circuit for basic function calculators and desktop organizers with calculation features. Specifically designed under HTS 8534.00.00.50 impregnated paper base requirements. Supports solar/boost converter power and basic arithmetic logic.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If other data processing machines
Complete calculators classify under office machines.
If scientific/programmable calculators
Advanced models use multilayer FR4 boards.
If flexible printed circuits for thin calculators
Ultra-thin designs use polyimide flex circuits.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• RoHS declaration must confirm lead-free paper phenolic resin formulation
• Specify display driver compatibility (7-segment/LCD) in technical specs
• Avoid office machine classification; bare PCBs don't qualify as complete calculators
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