Preformed Calcium Silicate Exhaust Duct Insulation from China
Molded half-sections of calcium silicate for insulating hot gas exhaust ducts in petrochemical plants, leveraging high-temperature performance. These are heat-insulating articles of expanded mineral materials, classified under tariff item 6806.90.00.
Duty Rate — China → Canada
0%
Import Tips
• Provide the CBSA with the chemical composition to show it is calcium silicate, not a ceramic material
• If the ducts are part of a larger system, consider whether the insulation is classified separately
• Verify if the product requires any special import permits for use in petrochemical facilities