Lightweight Hollow Thermal Ceramic Blocks from Canada
Fired lightweight hollow ceramic blocks optimized for heat insulation in multi-story residential construction. Classified under HTS 6904.10.00.30 as heat insulating hollow building bricks meeting fired ceramic construction material standards. Accelerates construction while improving thermal envelope.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Pre-clear with CBP binding ruling for novel porous ceramic compositions
• Use corner protectors and vertical strapping for 40' container optimization
• Monitor EU carbon border taxes affecting ceramic raw material supply chains