Vulcanized Fiber Battery End Plates from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• 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