Grid-Printed Paper Rolls for Seismic Recorders from Germany
Grid-printed paper rolls for seismic recorders are specialized thermal-sensitive rolls printed with fine grid lines, used in self-recording seismographs that capture earthquake vibrations. The grid printing provides precise measurement scales for analyzing seismic data, and the rolls are cut to fit the recorder's mechanism. This product falls under 4823.40.00 as printed rolls for self-recording apparatus.
Duty Rate — Germany → Canada
0%
Import Tips
• Confirm the grid lines are printed with functional measurement scales for seismic recording
• Note that thermal-sensitive paper is still classified under Chapter 48 if not sensitized for photographic purposes
• Provide technical documentation showing the rolls are specifically designed for self-recording seismographs