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Foamed Slag Concrete Additive from Japan

Fine foamed slag powder incorporated into lightweight concrete mixes for improved insulation. Covered by HTS 6806.20.00.00 as expanded mineral intermixture component. Reduces concrete density by 20-30%.

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

Particle size analysis (fineness modulus) required for concrete additive verification

POZZLAN reactivity test results for supplementary cementitious material claims

Dry storage requirements during transit to prevent premature hydration

Foamed Slag Concrete Additive from Japan — Import Duty Rate | HTS 6806.20.00.00