Magnesia-Dolomite Composite Refractory Blocks
Composite blocks blending magnesia and dead-burned dolomite achieving >50% combined MgO/CaO for basic oxygen furnace linings. Balanced chemistry for steelmaking slags. HTS 6902.10.50.00 classification applies.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If prepared refractory mortars
Bonding mortars rather than shaped goods use chemical classification.
If non-basic composite bricks
Acidic or neutral refractories classify under 6903.
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Import Tips & Compliance
• Calculate combined oxide percentages per HTS note requirements
• Specify grain size distribution affecting performance
• Test for hydraulic reactivity confirming stable fired product
Related Products under HTS 6902.10.50.00
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High Purity Magnesia Refractory Shapes
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Chromium-Corundum Refractory Bricks
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Specialized refractory bricks for blast furnace tap-holes with >50% MgO/Cr2O3 composition resisting molten iron and slag abrasion. Conically shaped for precise fit. HTS 6902.10.50.00 for refractory constructional goods.