Foamed Slag Aggregate from Germany
Foamed slag is produced by expanding blast furnace slag with air or steam for use as lightweight concrete aggregate. It matches HTS 6806.20.00.00 as a similar expanded mineral material for construction insulation and sound absorption. Provides thermal properties in building fills.
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%
Import Tips
• Submit industrial process documentation showing slag foaming method to validate HTS classification
• Ensure no metallic content exceeds trace levels to avoid Chapter 72 steel product reclassification
• Declare particle size distribution for verifying use as expanded aggregate