Segmented Hollow Sphere for Watch Prototyping
Precision-cut hollow glass sphere segments for prototype watch crystals, bent and rough-formed only. Classed in HTS 7015.90.20.00 as manufacture intermediates for such glasses. Used in R&D for new timepiece designs.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for lab instruments like microscopes
Instrument parts classify in Chapter 90.
If puffed mineral wool not meeting glass wool specs
Non-compliant mineral wools go to 6806 per chapter note.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Invoice as 'prototyping blanks'; small qty flags ok
• Avoid prototype misclass as samples
• Cert no coatings
Related Products under HTS 7015.90.20.00
Synthetic Sapphire Watch Crystal
A curved, non-optically worked synthetic sapphire glass blank designed specifically for watch dials, providing scratch resistance without final polishing. It falls under HTS 7015.90.20.00 as 'other watch glasses' that are bent or hollowed but not optically worked, prior to lens finishing. These are imported as components for luxury watch assembly.
Mineral Glass Watch Lens Blank
A hollowed mineral glass disc, curved for watch faces but without anti-reflective coatings or optical finishing, intended for further processing into timepiece crystals. Classified under HTS 7015.90.20.00 for 'other watch glasses' that are bent or the like, not optically worked. Used by watchmakers for custom dial protection.
Acrylic Watch Glass Blank
A bent acrylic (PMMA) hollow sphere segment for budget watch crystals, not optically worked, supplied as rough-formed blanks for polishing. HTS 7015.90.20.00 covers 'other watch glasses' including polymer glass equivalents that are curved but unworked. Ideal for entry-level timepieces.
Hollow Glass Sphere for Spectacle Blanks
Precision hollow glass spheres segmented for grinding into noncorrective sunglass or safety spectacle lenses, curved but not optically worked. Falls under HTS 7015.90.20.00 as segments for manufacture of such glasses, retaining chapter 70 status. Used in eyewear production lines.
Curved Safety Goggle Glass Blank
Bent, hollowed glass blanks for noncorrective safety goggles, without optical coatings or working, for industrial eyewear fabrication. HTS 7015.90.20.00 includes such 'similar glasses' curved or the like, not suitable for immediate use. Essential for protective equipment assembly.
Watch Dial Glass Hemisphere
Hollowed glass hemispheres for premium watch dials, curved and segmented but not optically finished, awaiting doming and coating. Under HTS 7015.90.20.00 as 'other watch glasses' for manufacture. Enhances water resistance in mechanical watches.