Clay Cupel for Assay

Small clay cupels used in precious metal fire assaying to collect beads. Traditional fired clay construction fits 6903.90.00.10 as explicitly named refractory goods.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

6909.19.50Higher: 39% vs 35%

If bone china or porcelain cupels

Tableware-grade materials move to 6911/6912.

7010.90.50Same rate: 35%

If glass carbides used

Glass technical articles classify Chapter 70.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

• Include assay process description to justify refractory classification

• Declare quantity per standard assay set for valuation

• Distinguish from common lab porcelain (6909)