Magnesia Chrome Taphole Clay
Pasty magnesia-chromite clay for sealing blast furnace tap-holes. Classified HTS 6815.91.00 for specified mineral content in semi-fabricated form. Rammed in place for iron tapping.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hydraulic refractory mortar
Mortars with cement binders go to Chapter 38.
If preformed tap-hole sleeves
Machined ceramic shapes classify under Chapter 69.
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Import Tips & Compliance
• Plastic consistency docs differentiate from dry mixes
• Guniting equipment compatibility notes helpful
• Avoid 'cement' terminology entirely
Related Products under HTS 6815.91.00
Magnesite Refractory Bricks
High-temperature resistant bricks primarily composed of magnesite, used in lining industrial furnaces and kilns. They fall under HTS 6815.91.00 due to their magnesite content and classification as articles of mineral substances not elsewhere specified. These bricks provide thermal insulation and corrosion resistance in steelmaking and glass production.
Dolomite Ramming Mass for Induction Furnaces
Dead-burned dolomite powder mixed for ramming into furnace linings, containing dolime for high-heat applications. Falls under HTS 6815.91.00 as an article containing dolomite in dolime form. Used in steel foundries for lining induction furnaces.
Magnesia Chrome Refractory Shapes
Preformed refractory blocks combining magnesia and chromite for rotary kilns in cement production. HTS 6815.91.00 applies due to dual magnesite and chromite composition. Offers superior resistance to chemical attack and thermal shock.
Dolime-Based Heat Insulation Boards
Rigid insulation panels made from dolime aggregates for high-temperature industrial ovens. Falls under HTS 6815.91.00 for dolomite/dolime content in fabricated form. Lightweight alternative to fiber insulation in petrochemical plants.
Periclase Furnace Roof Tiles
Curved magnesia tiles for electric arc furnace roofs in steel production. Classified HTS 6815.91.00 for periclase magnesia composition as mineral articles. Designed for extreme temperatures above 1700°C.
Magnesite Ladle Nozzle Inserts
Replaceable inserts for steel ladle nozzles made from dense magnesite. HTS 6815.91.00 for magnesite-based mineral articles used in continuous casting. Ensures controlled molten steel flow.