Diacetate Tow for Pharmaceutical Filter Media
Pharmaceutical-grade cellulose diacetate filament tow for producing sterile filter cartridges in drug manufacturing. Classified as artificial filament tow of cellulose acetate under HTS 5502.10.00.00 in unprocessed form.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for non-pharma staple fiber applications
Artificial cellulose acetate staple fibers, even pharma-grade, use 5504.
If pre-impregnated for sterile filters
Articles for pharmaceutical filtration containing acetate fall under Chapter 30.
If assembled into complete filter cartridges
Finished filtering equipment with acetate media classified by function in 8421.
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Import Tips & Compliance
• Include FDA-compliant certificates of analysis verifying pharmaceutical-grade acetate composition
• Declare exact degree of acetylation (diacetate vs triacetate) in import documentation
• Separate from regular textile tow shipments to maintain pharma-grade segregation
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