Kaolin-Based Plastic Refractory Clay from Canada
Plastic refractory clay made from kaolin with plasticizers for forming dense linings in boilers and incinerators. It qualifies under HTS 3816.00.20.10 as a clay refractory mortar/concrete composition for high-heat resistance.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Conduct XRF analysis to document kaolin clay as primary constituent over 40%
• Label as 'plastic refractory' with working temperature range to distinguish from pottery clay