Catalyst Activation Zinc Dust from Mexico
Reactive zinc dust for activating hydrogenation catalysts in pharmaceutical and chemical synthesis, vapor-condensed with particles under 10 μm spheres and 96% metallic zinc. This product meets the Chapter 79 subheading note definition of zinc dust, requiring at least 80% of particles to pass through a 63 μm sieve and at least 85% metallic zinc content.
Duty Rate — Mexico → Canada
0%
Import Tips
• Document the production method (vapor condensation) and particle size distribution to support classification as zinc dust
• If the product is coated or treated with other substances, verify it still meets the definition
• Check if the product is subject to any import permits under the Chemicals Management Plan