Battery Separator Felt
Battery separator felt is a micro-porous polyester felt used as a separator in lithium batteries. It is produced by needle-punching to create a porous structure that allows ion flow while preventing short circuits. This product is classified under tariff item 5602.90.00 as other felt, as it is not impregnated or coated with plastics or rubber.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the felt is cut to size and presented as a dedicated part of a battery
Parts of electric accumulators, including separators, are classified in heading 85.07 when they are identifiable as battery parts.
If the felt is laminated with a micro-porous plastic membrane
Laminates of felt with plastics are classified in Chapter 39 when the plastic component provides the essential character.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the felt is not treated with any chemical that could classify it as a product of Chapter 38 or 85
• Battery separators may be subject to specific safety standards; provide CBSA with technical documentation
• If the felt is cut to specific dimensions for battery assembly, it may be considered a part of an electrical article
Related Products under Tariff item 5602.90.00
Acoustic Polyester Felt Laminated with Vinyl
Acoustic polyester felt laminated with a visible vinyl layer, designed for sound absorption in studios. The textile material predominates by weight, and the plastic lamination is visible to the naked eye, placing it under tariff item 5602.90.00 as 'Other' felt.
Acrylic Fiber Blend Felt Sheet
Acrylic fibre blend felt sheets are produced from a web of acrylic and polyamide fibres bonded by mechanical needling. They are used in apparel interlinings and craft applications. This product falls under tariff item 5602.90.00 as other felt, as it is not made wholly of wool or cotton and is not coated or laminated.
Acrylic Insulation Felt
Man-made acrylic fiber felt used for thermal and acoustic insulation in appliances, formed by needle-punching without full embedding. It is not laminated or coated, so it falls under 5602.90.00 as 'Other' felt.
Acrylic Needleloom Apparel Interlining Felt
Acrylic felt interlining for fusible garment collars and cuffs, stitch-bonded from web fibers. It is not laminated or coated, so it qualifies as 'Other' felt under 5602.90.00.
Automotive Insulation Felt
Automotive insulation felt is an uncoated needleloom felt made from synthetic fibres, used for sound and thermal insulation in vehicles. It is produced by mechanical needling, which interlocks the fibres without the use of binders. This product is classified under tariff item 5602.90.00 as other felt, as it is not impregnated, coated, or laminated.
Automotive Polypropylene Felt Laminated with Aluminum Foil
Polypropylene needleloom felt laminated with a thin aluminum foil, used for heat and sound insulation in vehicles. The felt is the primary material, and the foil acts as a plastic laminate, qualifying as 'Other' felt under 5602.90.00.