Cellulose Isolation Chemical Anhydrous Na2SO4 from United States
Anhydrous sodium sulfate for viscose rayon production, precipitating cellulose xanthate in spinning bath. Classified under tariff item 2833.11.00 as pure anhydrous sulfate critical for fiber regeneration.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the product is chemically defined disodium sulfate without organic impurities
• Have a certificate of analysis showing purity for CBSA
• Verify the product is not recovered from viscose processes, which may affect classification