Articles provided for in chapter 28
Products of the United States when returned after having been exported, or any other products when returned within 3 years after having been exported, without having been advanced in value or improved in condition by any process of manufacture or other means while abroad > Other: > Articles provided for in chapter 28
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Products classified 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.
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.
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.
Calcium Chloride Pellets
US-produced calcium chloride pellets for ice melt, exported for winter testing in Canada, returned within 3 years unchanged. Chapter 28 HTS 2827.39 qualifies under 9801.00.10.27.
Sodium Nitrate Crystals
Technical grade sodium nitrate crystals exported from US for glass manufacturing trials, returned without modification. Chapter 28 (3102.50) product under 9801.00.10.27 provisions.
Hydrogen Peroxide 35% Solution
US-manufactured 35% hydrogen peroxide for bleaching trials, exported and returned unchanged within 3 years. Chapter 28 HTS 2847.00 qualifies for 9801.00.10.27.