Fused Magnesia Brick for Glass Tank Regenerators

Fused magnesite refractory bricks with electrofused grains for glass tank regenerator checkers, providing superior thermal shock resistance. Fired after shaping from high-purity magnesia. HTS 6902.10.10.00 due to >50% MgO content as refractory bricks.

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.

6902.10.50Same rate: 35%

If with chrome additions

Chrome corundum-magnesia variants classify differently based on Cr2O3 levels.

6806.20.00Same rate: 35%

If machined or cut-to-size

Precision-machined refractory shapes may classify as worked mineral products.

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

Document fused grain process and firing validation

Specify glass industry end-use

Test for hexavalent chromium compliance

Related Products under HTS 6902.10.10.00

Magnesia Refractory Brick for Steel Ladles

High-purity magnesite bricks containing over 90% MgO, fired after shaping for use in lining steel ladles. These refractory bricks withstand extreme temperatures above 1700°C and resist molten steel slag. Classified under HTS 6902.10.10.00 due to magnesite composition exceeding 50% MgO by weight.

Direct-Bonded Magnesite Brick for Electric Arc Furnaces

Direct-bonded magnesite refractory bricks with >93% MgO for electric arc furnace (EAF) walls, fired at high temperatures for superior slag resistance. These maintain structural integrity under thermal shock and corrosion. HTS 6902.10.10.00 applies for magnesite-dominant composition.

Magnesia-Chrome Brick for Non-Ferrous Metal Smelting

Magnesia-chrome refractory bricks with >50% combined MgO and Cr2O3 for copper and aluminum smelting furnaces. Fired ceramic goods resist basic slags and high temperatures. Fits HTS 6902.10.10.00 for magnesite bricks meeting elemental oxide criteria.

High-Density Magnesite Brick for Cement Rotary Kilns

High-density magnesite bricks (>90% MgO) for transition and burning zones in cement rotary kilns, fired for alkali and abrasion resistance. Essential for high-temperature clinker production environments. Classified in 6902.10.10.00 as magnesite refractory constructional goods.

Magnesia Ramming Mix Brick for Induction Furnaces

Pre-formed magnesite bricks from ramming mixes for coreless induction furnace linings, fired to >1600°C service limit. High MgO content resists molten iron attack. Meets 6902.10.10.00 for magnesite refractory bricks.

Magnesia-Carbon Brick for Steel Ladle Impact Pads

Magnesia-carbon refractory bricks for steel ladle impact zones, combining >80% MgO with graphite for erosion resistance. Fully fired ceramic constructional goods. Classifies under HTS 6902.10.10.00 based on predominant magnesite matrix.