Magnesium Hydroxide Flame Retardant
Micronized magnesium hydroxide used as a halogen-free flame retardant in plastics and cables. Classified in HTS 2816.10.00.00 as it's chemically defined without organic additives exceeding note limits. Surface-treated for dispersion but remains inorganic.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 3.1% | +25.0% | 28.1% |
| 🇲🇽Mexico | 3.1% | — | 3.1% |
| 🇨🇦Canada | 3.1% | — | 3.1% |
| 🇩🇪Germany | 3.1% | — | 3.1% |
| 🇯🇵Japan | 3.1% | — | 3.1% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If coated with stearates or organic modifiers
Organic-stabilized preparations excluded by chapter note 2.
If mixed with antimony trioxide as synergist
Prepared rubber/plastic accelerators or antioxidants go to 3812.
If incorporated into polymer masterbatch
Finished plastic materials containing the compound classified by polymer type.
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Import Tips & Compliance
• Specify coating type in entry docs; silane treatments may push to 3824 if >2% organic
• Particle size distribution cert needed for customs valuation consistency
Related Products under HTS 2816.10.00.00
Magnesium Hydroxide Powder
Pharmaceutical-grade magnesium hydroxide powder used as an antacid to neutralize stomach acid. It falls under HTS 2816.10.00.00 as a chemically defined hydroxide of magnesium, distinct from mixed compounds or formulations in other chapters. Typically supplied in bulk for compounding into tablets or suspensions.
Magnesium Peroxide Granules
Granular magnesium peroxide for controlled oxygen release in bioremediation projects. HTS 2816.10.00.00 applies to this pure peroxide form, unworked beyond granulation. Used in environmental cleanup applications.
High-Purity Magnesium Hydroxide
99.9% pure magnesium hydroxide crystals for laboratory and electronic applications. Chemically defined compound under HTS 2816.10.00.00, meeting Chapter 28 note requirements for inorganic hydroxides. Supplied in small quantities for research.
Food-Grade Magnesium Hydroxide
FCC-grade magnesium hydroxide approved as food additive for acidity regulation. Remains under HTS 2816.10.00.00 as pure inorganic hydroxide, not a processed food ingredient. Used in supplements and fortification.
Magnesium Hydroxide Suspension
Aqueous suspension of magnesium hydroxide for use in water treatment to remove heavy metals and adjust pH. Classified under HTS 2816.10.00.00 as it is a chemically defined hydroxide of magnesium, not a formulated preparation. Ships in drums for industrial applications.
Technical Grade Magnesium Peroxide
Technical-grade MgO2 powder used as an oxygen release agent in aquaculture and soil remediation. It qualifies for HTS 2816.10.00.00 specifically as a peroxide of magnesium, separate from other peroxides like hydrogen peroxide. High purity ensures classification in Chapter 28.