Foundry facings; Models and casts, of a kind used in the manufacture of dental prostheses; Olivine panels for use in the manufacture of wood waste incinerators; Refractory bricks, blocks, tiles and similar refractory constructional products to be employed in the production of metallurgical coke, iron and steel
Articles of stone or of other mineral substances (including carbon fibres, articles of carbon fibres and articles of peat), not elsewhere specified or included. > Other articles: > Other > Foundry facings; Models and casts, of a kind used in the manufacture of dental prostheses; Olivine panels for use in the manufacture of wood waste incinerators; Refractory bricks, blocks, tiles and similar refractory constructional products to be employed in the production of metallurgical coke, iron and steel > Foundry facings; Models and casts, of a kind used in the manufacture of dental prostheses; Olivine panels for use in the manufacture of wood waste incinerators; Refractory bricks, blocks, tiles and similar refractory constructional products to be employed in the production of metallurgical coke, iron and steel
Duty Rate (from China)
Products classified under Tariff item 6815.99.10.00
Magnesia Carbon Delta Shaped Inserts
Delta-shaped refractory inserts for ladle shrouds, 78% MgO, 12% carbon, resin-bonded for argon purging systems in steelmaking. These ensure gas distribution without clogging. They fall under tariff item 6815.99.10 as refractory constructional products for metallurgical coke, iron and steel production.
6815.99.10Magnesia Carbon Ladle Nozzle Inserts
Refractory inserts for steel ladle nozzles made with >70% magnesia, 5-25% carbon, and resin-bonded for high thermal shock resistance. Used in continuous casting to control molten steel flow. These fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
6815.99.10Magnesia Carbon Submerged Entry Nozzle Tips
Replaceable tips for submerged entry nozzles in continuous casting, made with 75% MgO, 20% carbon, pitch-bonded for steel-slag resistance. Critical for billet quality. These fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
6815.99.10Phenolic Resin Magnesia-Graphite Bricks
Phenolic resin-bonded bricks with 72% MgO and 18% graphite for BOF vessel linings, offering superior spalling resistance. Used in basic oxygen furnaces. These fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
6815.99.10Pitch-Bonded Magnesia Carbon Slide Gate Plates
Slide gate plates for steel ladles featuring >70% MgO, 15% graphite carbon, pitch-bonded for erosion resistance in high-temperature molten metal environments. Essential for precise flow control in steel production. These fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
6815.99.10Pitch Impregnated Magnesia Carbon Plugs
Porous plugs for steel ladle bottom argon stirring, with 71% MgO, 25% carbon, pitch-bonded and impregnated for durability. Improves steel homogeneity. These fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
6815.99.10Resin-Bonded Magnesia Carbon Bricks
High-performance refractory bricks composed of over 70% magnesia (MgO) with carbon content under 30%, chemically bonded using phenolic resin or pitch. These bricks are designed for lining steel ladles and electric arc furnaces. They fall under tariff item 6815.99.10 as refractory constructional products for iron and steel production.
6815.99.10Soapstone Cube Blanks for Jewelry Findings
Small sawed soapstone cubes prepared for drilling and polishing into beads or inlays for artisan jewelry. These blanks are cut to shape but not further worked, making them suitable for further processing by jewelers. They fall under tariff item 6815.99.10 as models and casts or similar articles of stone not elsewhere specified.
6815.99.10Soapstone School Crayons and Drawing Sticks
Cut and shaped soapstone crayons used for marking on metal, glass, and chalkboards in educational and industrial settings. These are writing instruments made from natural stone, not covered by exclusions in Chapter 68 notes. They qualify under tariff item 6815.99.10 as articles of stone not elsewhere specified.
6815.99.10Steatite Ceramic Blanks for Electrical Insulators
Pre-cut steatite blanks designed for machining into high-temperature electrical insulators used in industrial applications. These are sawed into precise dimensions and supplied in bulk form for further processing. They fall under tariff item 6815.99.10 as models and casts or similar articles of stone not elsewhere specified.
6815.99.10Steatite Sawed Blocks for Lab Crucibles
Rough-cut steatite blocks in blank form for laboratory crucible manufacturing, valued for thermal shock resistance. Supplied sawed to standard sizes for precision turning. These fall under tariff item 6815.99.10 as models and casts or similar articles of stone not elsewhere specified.
6815.99.10Steatite Talc Disks for Valve Seats
Precision-cut steatite disks in circular blanks for grinding into valve seats in industrial engines. These high-heat resistant forms are supplied pre-sawed for automotive and machinery manufacturers. They fall under tariff item 6815.99.10 as models and casts or similar articles of stone not elsewhere specified.
6815.99.10Talc Disk Blanks for Phonograph Stylus
Precision sawed talc disks used as base material for vintage phonograph needle production. Cut to stylus blank dimensions for final grinding. These fall under tariff item 6815.99.10 as models and casts or similar articles of stone not elsewhere specified.
6815.99.10Talc Soapstone Carving Blanks for Sculptors
Rough-sawed soapstone blocks or blanks sized for hand carving into sculptures and art pieces. Supplied in cube or rectangular forms ideal for artists and craftsmen. These fall under tariff item 6815.99.10 as models and casts or similar articles of stone not elsewhere specified.
6815.99.10Talcum Powder Pressed Cubes for Cosmetics
Sawed talc cubes serving as base material for cosmetic compact refills, pre-cut for final pressing and packaging. Used in makeup production for absorbent properties. These fall under tariff item 6815.99.10 as models and casts or similar articles of stone not elsewhere specified.