Hollerith Code Punchcard Blanks
Hollerith-standard blank cards, coated bleached kraft paperboard ≤150 g/m², chemical fibers dominant, for punchcard data encoding. Not punched, in sheets or strips. Precisely HTS 4810.31.30.00 for such machines.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If straw pulp with CMT ≥1.4 N/g/m²
Straw-based mechanical/chemical pulp ≥130 g/m² for fluting goes to 4805.12.
If envelopes of this paper
Made-up into envelopes shifts from paperboard to 4817 envelopes classification.
If for industrial bobbin use
End-use as bobbins/winding cores moves to 4822 bobbin/winder articles.
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Import Tips & Compliance
• Lab certify uniform bleaching and fiber content to prevent downgrading to lower chemical % codes
• Declare strip connectivity if applicable, as 'whether or not in strips' allows flexibility
Related Products under HTS 4810.31.30.00
Bleached Kraft Punchcard Machine Cards
Rectangular cards made from bleached kraft paperboard, coated with kaolin on both sides, weighing 150 g/m² or less, with over 95% chemical wood fibers. These not-punched cards are designed for use in punchcard machines for data processing and are supplied in strips or sheets. They fall under HTS 4810.31.30.00 due to their specific coating, fiber content, weight, and intended use as punchcard blanks.
Data Processing Punchcard Blank Strips
Strips of connected, not-punched cards from kaolin-coated bleached kraft paperboard, ≤150 g/m², >95% chemical process wood fibers. Used in legacy punchcard systems for inventory and computing tasks. Classified under HTS 4810.31.30.00 for punchcard machine-specific cards in strip form.
IBM 80-Column Punchcard Blanks
Standard 80-column format cards, kaolin-coated on one or both sides, from uniformly bleached kraft paperboard ≤150 g/m² with >95% chemical wood fibers. Not punched, for historical IBM punchcard readers in strips. HTS 4810.31.30.00 applies to these machine-specific data cards.
Blank Tabulating Machine Cards
Coated cards for tabulating punchcard machines, from bleached kraft ≤150 g/m² with chemical fibers >95%, no punches. Used in early data tabulation. Matches HTS 4810.31.30.00 for punchcard machine cards.
Unpunched Fortran Punchcard Sheets
Sheets of rectangular cards for Fortran programming punchcard machines, coated with inorganic substances, bleached kraft base ≤150 g/m², >95% chemical fibers. Blank for punching code holes. Fits HTS 4810.31.30.00 as non-punched punchcard machine cards.
Legacy Computing Punchcard Strips
Perforated-edge strips of blank cards, kaolin-coated bleached kraft paperboard ≤150 g/m², >95% chemical wood fibers, for vintage computing punchcard systems. Not punched for data entry. HTS 4810.31.30.00 covers these in strips for punchcard machines.