CR-39 Resin Unmounted Spectacle Lenses
Unmounted lenses crafted from CR-39 allyl diglycol carbonate resin for prescription eyeglasses. Known for excellent optical clarity and scratch resistance in vision correction. Falls under HTS 9001.50.00.00 for non-glass spectacle lenses.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If constructed from glass materials
Any glass-based spectacle lenses, regardless of working, are directed to 9001.40 subheadings.
If used in optical measuring instruments
Lenses principally for instruments in Chapter 90 (per note 2) shift to 9031 accessories if not for spectacles.
If glass clock/watch lenses instead
Chapter note exclusions route non-spectacle glass lenses to 7015 for clock or watch use.
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Import Tips & Compliance
• Provide detailed material safety data sheets (MSDS) confirming CR-39 composition to support non-glass tariff classification
• Ensure lenses meet ANSI Z80.1 optical standards; non-compliant imports may face FDA detention
• Avoid common pitfall of declaring as 'plastic sheets' – specify ophthalmic use in commercial invoice
Related Products under HTS 9001.50.00.00
Polycarbonate Unmounted Spectacle Lenses
Unmounted spectacle lenses made from polycarbonate plastic, designed for eyeglasses to correct vision. They are lightweight, impact-resistant, and used in prescription eyewear. Classified under HTS 9001.50.00.00 as spectacle lenses of materials other than glass.
Trivex Unmounted Prescription Lenses
High-impact Trivex polymer lenses, unmounted, for impact-resistant eyeglasses and safety eyewear prescriptions. Offers superior strength over polycarbonate with Abbe value for minimal distortion. HTS 9001.50.00.00 covers these plastic spectacle lenses.
High-Index 1.67 Plastic Spectacle Lenses
Thin, lightweight high-index (1.67) plastic unmounted lenses for strong prescriptions in eyeglasses. Reduces lens thickness significantly compared to standard indices. Classified in HTS 9001.50.00.00 as other material spectacle lenses.
Aspheric Polycarbonate Unmounted Lenses
Aspheric design polycarbonate spectacle lenses, unmounted, minimizing peripheral distortion in eyeglasses. Ideal for progressive and high-base curve prescriptions. HTS 9001.50.00.00 for non-glass optical elements.
Photochromic Transition Plastic Spectacle Lenses
Unmounted plastic spectacle lenses with photochromic technology that darkens in UV light, like Transitions lenses. Provides automatic tinting for indoor/outdoor vision correction. HTS 9001.50.00.00 applies to these other material lenses.
Bifocal Polycarbonate Unmounted Lenses
Unmounted bifocal spectacle lenses in polycarbonate with segmented near vision correction. Features flat-top or executive line bifocal design for presbyopia. Classified under HTS 9001.50.00.00 for plastic spectacle optics.