Heavy Calcium Carbonate 1250 Mesh from China
Ultra-fine heavy calcium carbonate (D97<4.5μm) produced by grinding marble, used as an industrial filler. It is a separate chemically defined compound of calcium carbonate, meeting Chapter 28 Note 1(a). Applications include PVC pipes, masterbatches, and powder coatings.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is chemically processed calcium carbonate, not natural ground stone
• Provide particle size distribution data to confirm the grade
• Verify that no surface treatments or additives are present that could affect classification