Boulder Ultramicrotome for Electron Microscopy
Designed for ultrathin sectioning (50nm-5μm) of specimens for transmission electron microscopy, the Boulder microtome uses diamond knives for nanoscale biological samples. Essential for cell biology and virology research. Classified under HTS 9027.90.2000 as specialized microtome for physical analysis.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If precision exceeds lab instrument scope for semiconductor fab
Chapter 90 note 1(g) excludes semiconductor apparatus; biological EM stays 9027.
If ultramicrotomy boats or diamond knife holders
Accessories principally for these instruments classified separately.
If industrial nanofabrication measuring equipment
Research biological use remains Chapter 90; excludes technical per note 1.
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Import Tips & Compliance
• Include diamond knife compatibility specs; declare as research instrument
• Electron microscopy lab affidavits crucial for proper classification
• Ultra-fine tolerances may trigger additional metrology inspection—prepare certs
Related Products under HTS 9027.90.20.00
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The Leica RM2255 is a fully automated rotary microtome designed for precise sectioning of paraffin-embedded tissue samples in histology labs. It features smooth manual or motorized operation with adjustable blade angles for consistent thin sections down to 1 micron. Classified under HTS 9027.90.2000 as a microtome for physical analysis in pathological examination.
Thermo Scientific HM 355S Automated Microtome
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