Borosilicate Glass Flakes for Engobe Slips from Canada
Thin borosilicate glass flakes used in preparing engobes (slips) for coating ceramic bodies before glazing. Provides opacity and adhesion, classified as glass flakes under HTS 3207.40.5000 for ceramic industry use.
Duty Rate — Canada → United States
16.5%
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
• Include thermal expansion coefficient data matching ceramic bodies to prove specific engobe application
• Declare flake thickness (<0.1mm) typical for slip preparation to validate classification
• Avoid generic 'glass powder' labeling; specify ceramic engobe use explicitly