Vermiculite Ceramic Insulating Brick from Germany
Solid building brick incorporating expanded vermiculite aggregate in a fired clay matrix for superior thermal resistance, used in energy-efficient wall construction. Classified under HTS 6904.10.0010 as heat insulating solid bricks meeting fired ceramic criteria with low thermal conductivity (<0.2 W/mK). Exceeds tile thickness per US notes.
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
• 1
• Submit material composition analysis showing clay base with vermiculite filler to confirm ceramic nature. 2
• Include manufacturer specs confirming firing process and heat insulation rating. 3
• Beware of misdeclaration as lightweight concrete blocks (Chapter 68) without proper ceramic firing proof