Polarizing Petrographic Microscope 400x
Specialized petrographic microscope with polarizing filters for mineral thin-section analysis at 400x magnification. Under HTS 9011.80.00.00 as 'other microscopes' for geological compound optical features. Used in university labs for rock identification.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If separate polarizing filters imported alone
Optical elements like polarizing filters classify in heading 9002.
If with precise measuring reticles for crystallography
Measuring microscopes for material properties shift to 9031.
If ceramic microscope slides for petrography
Special ceramic laboratory ware excluded by note 1(c).
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Import Tips & Compliance
• Include polarizing stage and compensator specs proving specialized geology optics
• Classify filter sets as integral; separate optical elements may go to 9002
• Document academic/research end-use to distinguish from industrial measuring
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