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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alumina content below threshold for 'aluminous' designation
Lower alumina cements fall under other hydraulic cements in 2523.29, based on composition specs.
If when sold as non-hydraulic mortar preparations
Prepared mortars with cement as binder but not hydraulic are in 3824 as construction preparations.
If formed into finished refractory articles
Shaped refractory goods containing aluminous cement are classified by form in Chapter 69.
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Import Tips & Compliance
• Provide mill test certificates detailing aluminate phases to support hydraulic cement classification
• Declare exact bulk density on commercial invoice as cements are weight-based for duties
• Avoid common error of classifying colored variants under other cements; color doesn't change heading
Related Products under HTS 2523.30.00.00
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.
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.
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.