Calcium Silicate Boiler Wall Insulation Blocks from United States
Dense molded blocks of calcium silicate used to line high-pressure boiler walls, offering thermal stability and fire resistance. They are heat-insulating articles made from expanded mineral materials, falling under tariff item 6806.90.00 as 'Other'.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the blocks are classified as heat-insulating articles of mineral materials, not as refractory goods of Chapter 69
• Provide a detailed product description and material composition to the CBSA to support the classification
• Verify if any anti-dumping or countervailing duties apply to calcium silicate products from your country of origin