Sulfuric-Resistant Aluminous Cement
Sulfuric-resistant aluminous cement is formulated for aggressive environments like sewers and wastewater structures. Its high alumina content qualifies it under HTS 2523.30.00.00 as a hydraulic aluminous cement with exceptional chemical durability. Provided as fine powder for on-site mixing.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-blended with polymers or chemicals
Modified cement preparations for non-structural uses move to 3824 chemical products.
If when used in refractory brick production and imported as shapes
Refractory bricks containing aluminous cement are classified by final form in 6902.
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Import Tips & Compliance
• Certify low free lime content via lab analysis to distinguish from Portland types
• Label bags with UN number if applicable, though most aluminous cements are non-regulated
Related Products under HTS 2523.30.00.00
Calcium Aluminate Cement Powder
Calcium aluminate cement powder is an aluminous cement used in rapid-hardening concrete and repair mortars. Classified under HTS 2523.30.00.00 for its aluminous composition providing superior sulfate resistance and fast strength gain. It is typically packaged in 50kg bags for construction applications.
High-Alumina Refractory Cement
High-alumina refractory cement is a hydraulic cement composed primarily of calcium aluminate, designed for high-temperature applications in furnaces and kilns. It falls under HTS 2523.30.00.00 as aluminous cement due to its high alumina content enabling rapid setting and heat resistance. This cement is supplied as a fine powder ready for mixing with water.
Fondu Aluminous Cement
Fondu aluminous cement, also known as fondu cement, is a high-purity calcium aluminate cement for specialty concretes and castables. It meets HTS 2523.30.00.00 criteria as aluminous cement with quick setting properties ideal for precast elements. Supplied in bulk or bagged form without additives.
Rapid-Set Aluminous Cement Clinker
Rapid-set aluminous cement clinker is the intermediate product ground into finished cement, containing high aluminates. Classified in HTS 2523.30.00.00 whether in clinker or powder form as specified for aluminous hydraulic cements. Used by manufacturers for custom blends.
Aluminous Expansion Cement
Aluminous expansion cement generates controlled expansion for precision grouting and anchoring applications. It qualifies under HTS 2523.30.00.00 due to its calcium aluminate base providing hydraulic setting with expansive properties. Packaged for industrial maintenance use.