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3824.99.39.90/Sodium Fluorosilicate and Calcium Hydroxide Catalyst/Germany

Sodium Fluorosilicate and Calcium Hydroxide Catalyst from Germany

Specialty catalyst mixture of sodium fluorosilicate and calcium hydroxide for gassing reactions in foundry core production using CO2-hardened silicate binders. HTS 3824.99.39.90 classification for inorganic foundry process chemicals. Enables rapid core formation with excellent dimensional stability.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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Import Tips

• Prepare fluoride exposure risk assessments for SDS; ensure precise stoichiometric ratios certification; comply with TSCA inventory requirements for fluorosilicates

Sodium Fluorosilicate and Calcium Hydroxide Catalyst from Germany — Import Duty Rate | HTS 3824.99.39.90