Gas Generator Refractory Lining Bricks

High-alumina refractory bricks custom-shaped for lining the reaction chambers of producer or water gas generators to withstand extreme temperatures. Dedicated parts under HTS 8405.90.00.00.

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.

6902.20Lower: 10% vs 35%

If generic refractory bricks for industrial furnaces

Standard refractories classify under Chapter 69, not specific machinery parts.

6903.20.00.00Same rate: 35%

If containing >50% alumina, sold bulk

High-alumina goods shift based on composition.

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

• Specify brick dimensions matching generator models; thermal conductivity test reports needed; distinguish from furnace refractories