Cupel for Fire Assay from Japan
A magnesia ceramic cupel absorbing lead in precious metal fire assay analysis. This refractory ceramic good is fired after shaping and falls under tariff item 6903.90.00 as an 'other' refractory article. Its bone ash-magnesia fired composition is specifically designed for metallurgical testing applications.
Duty Rate — Japan → Canada
0%
Import Tips
• Ensure the cupel is fired above 800°C to meet Chapter 69 requirements; provide material composition details to the CBSA
• Classify under 6903.90.00 as a refractory ceramic good and verify it is not used for laboratory purposes, which may fall under 6909
• Keep records of the firing temperature for customs verification