Silicon Nitride Laboratory Funnels from Mexico
Fired silicon nitride funnels for filtration in harsh chemical environments. With a Mohs hardness exceeding 9, these funnels qualify as technical ceramic wares under tariff item 6909.12.90. They offer high corrosion and thermal resistance for laboratory use.
Duty Rate — Mexico → Canada
4.5%
Import Tips
• Confirm the firing process and hardness rating with the supplier
• Declare the funnels' technical use to qualify for this item
• Maintain documentation of chemical resistance properties