Grid-Printed Paper Rolls for Seismic Recorders
Specialized rolls of thermal-sensitive paper printed with fine grid lines for seismic data recorders, which are self-recording instruments capturing earthquake vibrations. The printing provides precise measurement scales for analog output. This fits HTS 4823.40.00.00 as printed rolls for self-recording apparatus.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If self-copy or thermal paper without specific printing for recorders
Carbon or thermal paper classified by copying properties, not printing purpose, in heading 4816.
If loose sheets cut to size, even if printed
Chapter note to 4820 excludes loose cut sheets/cards from 4820, but may redirect if not apparatus-specific.
If vegetable parchment-like but used in recorders without printing
Unprinted paper with parchment qualities goes to 4806; printing specificity drives to 4823.40.
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
• Document the paper's compatibility with specific seismic recorder models to prove principal use in self-recording
• Avoid common error of classifying as general thermal paper under 4816; highlight the functional printing
• Batch imports may require additional testing if customs questions burst strength or fiber content unrelated to this heading
Related Products under HTS 4823.40.00.00
Pre-Printed Dial Sheets for Circular Chart Recorders
Die-cut circular sheets of paper printed with concentric time and value scales for insertion into circular chart recorders, a type of self-recording apparatus used in industrial monitoring. These dials rotate with the pen mechanism to record data continuously. Classified under HTS 4823.40.00.00 due to their specific printing for self-recording devices.
Fanfold Printed Paper for Event Recorders
Z-fold or fanfold sheets pre-printed with event timelines for self-recording event data loggers in security or aviation. Unfolds continuously during recording. Meets HTS 4823.40.00.00 as printed sheets for self-recording apparatus.
Precision Grid Rolls for Medical ECG Recorders
Thermal paper rolls with 1mm grid and time traces for electrocardiogram (ECG) self-recording machines. Standard in cardiology. HTS 4823.40.00.00 for printed rolls in self-recording apparatus.
Scaled Sheets for Meteorological Recorders
Printed sheets with wind speed/rainfall scales for weather station self-recorders. Sized for drum rotation. Classed in 4823.40.00.00.
Data Log Dial Paper for Humidity Recorders
Circular dials printed for RH% scales in humidity self-recorders for labs. 4823.40.00.00.
Flow Rate Chart Rolls for Industrial Recorders
Printed rolls with flow volume scales for process control self-recorders. 4823.40.00.00.