Flame Retardant Zinc Dust Filler from Germany
Zinc dust acting as a synergist in intumescent flame retardants for polymers, vapor-produced with 85% minimum zinc and 80% of particles through a 63-micron mesh. This product qualifies as zinc dust under Chapter 79 because it meets the subheading note criteria of at least 80% of particles passing a 63 μm sieve and contains at least 85% metallic zinc.
Duty Rate — Germany → Canada
0%
Import Tips
• Ensure the product is in pure form—if pre-mixed with flame retardant compounds, it may be classified as a preparation
• Provide sieve analysis and zinc content documentation
• Verify whether the product meets the definition of zinc dust exactly, as borderline purity may lead to reclassification