Allyl Diglycol Carbonate Resin Flakes from Japan
CR-39 monomer resin (allyl diglycol carbonate) in flake primary form for optical lens casting. HTS 3907.91.4000 covers this unsaturated allyl polyester 'other' resin with >95% named monomer units. Essential for scratch-resistant eyewear lenses.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Provide refractive index and Abbe number specs to confirm CR-39 identity
• Ensure flakes are pure resin without curing agents added
• Pitfall: misdeclaration as finished lenses (7015) instead of primary polymer