SF11 Dense Flint Glass Lens Blank for Telescopes
SF11 optical flint glass blank for achromatic telescope objectives, cut to shape but unpolished. HTS 7014.00.10.00 applies to such non-spectacle, non-worked optical lens blanks.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for use in signaling devices like airport beacons
Optical elements for signaling glassware head to 7016.
If tempered or laminated
Safety glass processing moves to 7007 regardless of optical intent.
If made into thin woven glass fabric post-import
Glass products in woven form shift to heading 7019.
Not sure which classification is right?
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Import Tips & Compliance
• Provide refractive index data (e.g
• SF11 specs) to support optical element status
• For bulk imports, ensure uniform sizing to avoid parts classification
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