Greenstone Building Blocks from Canada
Metamorphic greenstone blocks sawn rectangular for eco-architecture and memorials. HTS 2516.90.00.60 other stone. Durable with chlorite content.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Chlorite analysis per 2530 note
• Natural color preservation
• Structural grade certification