Type V Portland Cement
Type V Portland cement offers high sulfate resistance for severe exposure conditions like sewage treatment plants and sulfate-rich soils, with very low tricalcium aluminate. It is categorized under HTS 2523.29.00.00 as other Portland cement, distinct from white or special-use cements. Essential for aggressive environmental concrete applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If colored white
Any Portland cement processed to white color shifts to the dedicated white subheading regardless of type.
If blended with pozzolans as non-hydraulic mortar
Mixtures of Portland cement with siliceous additives for mortars are classified as prepared binders.
If dolomite ramming mix variant
Chapter exclusions direct dolomite-based cement mixes to investment casting refractories.
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Import Tips & Compliance
• Include sulfate resistance test data per ASTM C150; declare exact fineness (Blaine) to avoid disputes; ensure silos or pneumatic unloading capability at port for powder imports
Related Products under HTS 2523.29.00.00
Type I Portland Cement
Type I Portland cement is a general-purpose hydraulic cement produced by grinding clinker with gypsum, suitable for a wide range of construction applications like buildings and bridges. It falls under HTS 2523.29.00.00 as 'other' Portland cement, not specifically the white or low-alkali variants. This classification covers standard gray Portland cement meeting ASTM C150 specifications.
Type II Portland Cement
Type II Portland cement is moderately sulfate-resistant and suitable for structures exposed to moderate sulfate action or seawater, made from clinker with controlled C3A content. Classified under HTS 2523.29.00.00 as 'other' Portland cement, it excludes specialized types like white or oil-well cements. Ideal for dams, culverts, and marine applications.
General Use Portland Cement GU
General Use (GU) Portland cement, equivalent to Type I/II blend, is versatile for most concrete works including residential and commercial buildings. Under HTS 2523.29.00.00 as other Portland cement, it covers standard multi-purpose gray hydraulic cements not fitting specific subheadings. Widely used in ready-mix concrete production.
Ordinary Portland Cement OPC 43 Grade
OPC 43 Grade is Ordinary Portland Cement with minimum compressive strength of 43 MPa at 28 days, used for general construction like pavements and mass concrete. Classified in HTS 2523.29.00.00 as other Portland cement, encompassing standard strength grades. Common in emerging markets for infrastructure projects.
Type IL Portland-Limestone Cement
Type IL Portland-limestone cement contains up to 15% limestone interground with clinker, offering similar performance to traditional Portland with lower CO2 footprint. It qualifies under HTS 2523.29.00.00 as other Portland cement since limestone is a permitted addition. Used increasingly for sustainable concrete mixes.
Portland Cement in 50kg Bags
Standard Portland cement packaged in 50kg polypropylene bags for retail sale to contractors and small projects, containing Type I/II mix. Falls under HTS 2523.29.00.00 as other Portland cement regardless of packaging since classification is by composition. Convenient for construction sites without silos.