Zinc Dust for Rubber Vulcanization from United States
High-purity zinc dust produced by condensation of zinc vapor, featuring spherical particles finer than 63 microns, used as an activator in rubber vulcanization processes. 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 — United States → Canada
0%
Import Tips
• Ensure the product is in pure form—if pre-mixed with rubber additives, it may be classified as a compound
• Provide sieve analysis and zinc content documentation
• Verify whether the product qualifies for preferential tariff treatment under free trade agreements