Precision Ground Lens Blank for Microscope Objectives
High-precision borosilicate glass blank for microscope objective lenses, pre-cut but not surfaced optically. Fits HTS 7014.00.10.00 for signaling/optical glass elements that are lens blanks excluding spectacles.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made of lead crystal with >=24% PbO
Subheading note specifies lead crystal glass articles classify differently in 7013.
If imported as parts for complete microscopes
End-use as instrument parts moves to Chapter 90 headings for optical instruments.
If enameled or stained for decorative optical use
Glass with vitrifiable enamels shifts to prepared pigments chapter.
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Import Tips & Compliance
• Document intended end-use in laboratory microscopes to distinguish from consumer eyewear
• Ensure no annealing post-shaping per chapter note (a), or it may still qualify as unworked
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