Sulfuric Acid Battery Grade
Battery-grade sulfuric acid (H2SO4 98%) manufactured in the US, exported for automotive testing, returned unchanged within 3 years. Chapter 28 product (2807.00) qualifying for 9801.00.10.27 duty-free entry when not improved abroad.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-returned or foreign-origin sulfuric acid
Regular duty rates apply without US export-return verification
If personal or household effects returned
9801.00.70 covers personal items; industrial chemicals use chapter-specific 9801.00.10
If imported empty for return after US export
Containers imported separately for later reuse classified under Chapter 98 subchapter XVI
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Import Tips & Compliance
• Maintain chain-of-custody records from export through foreign testing to re-import
• Include material safety data sheets confirming unchanged chemical composition
• File statistical reporting as 9801.00.10.27-2807.00.0000 per chapter notes
Related Products under HTS 9801.00.10.27
Sodium Hydroxide Pellets
Industrial-grade sodium hydroxide (caustic soda) pellets exported from the US for quality testing at a foreign laboratory and returned unchanged within 3 years. This inorganic chemical base falls under Chapter 28 (inorganic chemicals) as HTS 2815.12 and qualifies for 9801.00.10.27 when returned without advancement in value or condition.
Hydrochloric Acid 37% Solution
US-produced hydrochloric acid (muriatic acid) in 37% concentration, shipped abroad for purity analysis and returned in original containers without alteration. Classified under Chapter 28 HTS 2806.10, eligible for duty-free re-import under 9801.00.10.27 when condition unchanged.
Nitric Acid 68% Technical Grade
Technical grade nitric acid (HNO3 68%) of US origin, sent abroad for calibration standards and returned in original drums without modification. Chapter 28 HTS 2808.00 product eligible under 9801.00.10.27 for unchanged returns.
Ammonium Nitrate Prills
US-produced ammonium nitrate prills (34.5-0-0) exported for fertilizer field trials, returned unchanged within 3 years. Chapter 28 (3102.30) agricultural chemical qualifying for 9801.00.10.27 duty-free re-entry.
Potassium Hydroxide Flakes
Industrial potassium hydroxide (KOH) flakes exported from US soap manufacturing facility for overseas quality verification, returned without processing. Chapter 28 HTS 2815.20 product under 9801.00.10.27.
Phosphoric Acid 85% Food Grade
Food-grade phosphoric acid (85%) of US manufacture, shipped for beverage industry testing abroad, returned unchanged. Chapter 28 (2809.20) product qualifying for 9801.00.10.27 duty-free entry.