Calcined Dolomite Filler for Polymer Composites from United States
Micronized calcined dolomite used as a functional filler in polypropylene and PVC compounds to improve stiffness. It is a processed mineral powder in its raw state, not yet incorporated into plastics, so it belongs under tariff item 2518.20.00.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the filler is not surface-treated or coated, as that could move it to Chapter 38 or 39
• Declare the particle size and calcination temperature to support classification
• Keep samples available for CBSA inspection if needed