Bauxite Clay Refractory Ramming Mass
Ramming mass blending bauxite clay for electric arc furnace bottoms, offering abrasion resistance. Classified HTS 3816.00.20.10 for clay-dominant refractory mixes including dolomite ramming variants.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If raw bauxite ore
Unprocessed bauxite is aluminum ore in Chapter 26, not refractory mix.
If heat-setting chemically bonded
Chemically bonded clay mixes beyond basic clay fall into later 3816 subheadings.
If pre-shaped ramming plugs
Machined or formed refractory shapes are Chapter 69 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
• Certify bauxite clay grain size (e.g
• 0-5mm) and Al2O3 content >60% for classification
• Declare as 'ramming mass' not aggregate to prevent 2518 misclassification
• Test for silica content; high silica may shift to 3816.00.40 if not clay-primary
Related Products under HTS 3816.00.20.10
High-Alumina Fire Clay Refractory Mortar
A refractory mortar composed primarily of high-alumina fire clay mixed with binders, designed for high-temperature applications like furnace linings. It falls under HTS 3816.00.20.10 as a clay-based refractory composition other than those in heading 3801, providing thermal resistance and adhesion in kiln construction.
Fireclay Gunning Mix Refractory
A pneumatic-applied fireclay refractory mix for repairing furnace hot spots via guniting. Falls under HTS 3816.00.20.10 as clay-based refractory concrete for spray application in steel plants.
Andalusite Clay Refractory Mortar
Mortars using andalusite clay for thermal shock resistance in glass tank regenerator checkers. HTS 3816.00.20.10 covers this clay refractory mortar excluding 3801.
Silimanite Fire Clay Ramming Mix
High-silimanite fire clay ramming mix for coreless induction furnaces. HTS 3816.00.20.10 clay refractory explicitly includes such ramming mixes.
Dolomite Ramming Clay Mix
A dry clay-based ramming mix using calcined dolomite clay for lining induction furnaces, rammed into place before firing. Classified in HTS 3816.00.20.10 as a clay refractory composition explicitly including dolomite ramming mix, excluding heading 3801 products.
Kaolin-Based Plastic Refractory Clay
Plastic refractory clay made from kaolin with plasticizers for forming dense linings in boilers and incinerators. It qualifies under HTS 3816.00.20.10 as a clay refractory mortar/concrete composition for high-heat resistance.