Kraft Bleached Punchcard Machine Cards
These are rectangular cards made from bleached kraft paperboard, coated with kaolin on one or both sides, weighing over 150 g/m² with over 95% chemical wood fibers. Designed specifically as blank, unpunched cards for punchcard machines used in data processing. They may be supplied in strips for easy loading into legacy computing systems.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If weight ≤150 g/m²
Kraft paper cards under 150 g/m² fall into the lighter weight subheading in the same category.
If pre-punched or perforated
Punched or perforated paper cards for machines classify under heading 4823 for Jacquard-like items.
If uncoated
Uncoated kraft paperboard cards shift to heading 4804, as coating is required for chapter 48 heading 4810.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• ,Provide mill test certificates confirming Mullen burst strength and fiber composition; common pitfall is insufficient documentation leading to delays
• Declare as 'not punched' explicitly; punched cards shift to heading 4823 as Jacquard/perforated items
Related Products under HTS 4810.32.30.00
IBM 5081 Punch Card Stock in Strips
Coated bleached kraft paperboard cards in continuous strips, compatible with IBM 5081 punchcard systems for mainframe data entry. Uniformly bleached with >95% chemical pulp, >150 g/m², kaolin-coated for durability and printability before punching. Not pre-punched, intended for punchcard machine processing.
Unpunched 80-Column Punchcard Blanks
Standard 80-column rectangular cards from kaolin-coated bleached kraft paperboard (>150 g/m², >95% chemical wood fibers), for punchcard tabulating machines. Blank surface allows custom printing; supplied flat or in fan-fold strips. Meets legacy data processing requirements without pre-perforation.
Fan-Fold Punchcard Strip Stock
Continuous fan-fold strips of bleached, kaolin-coated kraft cards (>150 g/m², chemical pulp dominant), detachable into individual unpunched cards for punchcard machines. Designed for high-volume data processing in vintage computing environments. Surface-coated for ink receptivity without other binders.
Legacy Fortran Punch Card Paperboard
Heavyweight bleached kraft paperboard sheets, kaolin-coated, cut into cards or strips for Fortran programming punchcard input to old mainframes. Over 150 g/m² with chemical process fibers >95%, unpunched for custom encoding. Ideal for archival computing restoration projects.