Vulcanized Fiber Battery End Plates
Rigid noncellular plates of vulcanized fiber used as end insulators in lead-acid batteries. The material's mechanical strength and acid resistance suit it for this application without reinforcement. HTS 3920.79.05.00 covers these as other plates of vulcanized fiber, a cellulose derivative.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as complete battery separator sets
Sets of plastic articles for battery use fall under 3926.90 as other plastic articles.
If pre-installed in imported batteries
Parts of electric accumulators including vulcanized fiber components classify with the battery under 8507.
If extruded into flexible profiles rather than sheets
Tubes, pipes, or profiles of plastics shift to heading 3917.
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Import Tips & Compliance
• Supply battery manufacturer specs confirming vulcanized fiber's chemical derivative status per chapter notes
• Check for special rates under US notes if dimensions ≤38.1 cm x 45.7 cm for heading 3921 benefits
Related Products under HTS 3920.79.05.00
Vulcanized Fiber Electrical Insulation Sheets
Noncellular plates and sheets made from vulcanized fiber, a cellulose derivative processed with zinc chloride for high density and strength. These are used primarily for electrical insulation in motors and transformers due to their dielectric properties. Classified under HTS 3920.79.05.00 as non-reinforced sheets of vulcanized fiber.
Vulcanized Fiber Shim Stock Sheets
Thin precision sheets of noncellular vulcanized fiber used for shimming in machinery alignment. High tensile strength and machinability without lamination qualify it under this subheading. Specifically HTS 3920.79.05.00 for vulcanized fiber plates, sheets, film, foil, and strip.
Vulcanized Fiber Arc Chute Sheets
Non-reinforced sheets of vulcanized fiber cut for circuit breaker arc chutes to extinguish electrical arcs. The material's heat resistance and non-conductivity make it suitable without chemical modification beyond vulcanization. Classifies in HTS 3920.79.05.00 as vulcanized fiber plates/sheets.
Vulcanized Fiber Nameplate Blanks
Flat noncellular foil and strip of vulcanized fiber for engraving into machinery nameplates. Durable for outdoor exposure without reinforcement. HTS 3920.79.05.00 specifically for vulcanized fiber in these forms.
Vulcanized Fiber Transformer Pressboard
Dense noncellular plates of vulcanized fiber serving as pressboard in oil-immersed transformers. High compressive strength without lamination fits this cellulose derivative subheading. HTS 3920.79.05.00 applies to these unreinforced sheets.
Vulcanized Fiber Knife Handle Blanks
Noncellular sheets and blocks of vulcanized fiber rough-cut for custom knife handles. Moisture resistance and machinability without support classify it here. Under HTS 3920.79.05.00 as other vulcanized fiber plates/sheets.