Modacrylic Tow for Battery Separators from Japan
This is a specialty modacrylic filament tow engineered for use in microporous battery separator fabrics, primarily for lithium-ion batteries. The tow consists of parallel filaments with precise denier control, offering the chemical stability required for this high-tech application. It falls under tariff item 5501.30.00 as acrylic or modacrylic synthetic filament tow, meeting the chapter's specifications for tow length, twist, and filament decitex.
Duty Rate — Japan → Canada
Import Tips
• Ensure the tow meets the chapter note 1 specifications: length over 2 m, twist under 5 turns per metre, filament under 67 decitex, and total tow over 20,000 decitex
• Declare the end use as battery separator fabric to support classification under this item
• Keep technical datasheets on hand in case CBSA requests evidence of the tow's drawn (non-stretchable) nature