Cuprammonium Rayon Filament Tow
Cuprammonium rayon tow uses copper-ammonia process for high-quality artificial continuous filaments in untwisted form, for fine textile applications. HTS 5502.90.00.00 covers this as other artificial tow, rare but distinct from standard viscose.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made into staple
Staple fibers from cupro process go to 5504 artificial staples.
If high-tenacity viscose yarn
Processed yarn classified by type in 5403, leaving tow in 5502.
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Import Tips & Compliance
• Document cuprammonium process to differentiate from viscose; ensure no metal residue claims
• Avoid confusion with silk (natural) under Chapter 50
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