Cupel Refractory Dish from Mexico
Bone ash cupel for precious metal assaying in cupellation furnaces, designed to absorb base metals during the assay process. This is fired above 800°C, making it a fired refractory ceramic good. Cupels are explicitly named in heading 69.03, and the non-clay composition places it under this tariff item.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the cupel is fired above 800°C, as articles heated to lower temperatures for curing are excluded from Chapter 69
• Keep supplier documentation of the bone ash composition and firing temperature for CBSA verification
• No import permit is needed for this classification