Low Heat Cement (LHC)

Low Heat Cement (LHC) – Technical Export Description

Product Name: Low Heat Cement (LHC)
HS Code: 2523.29
Appearance: Fine grey powder
Category: Special-purpose Portland cement with reduced heat of hydration

Technical Characteristics

  • Composition:

    • Portland clinker with reduced C₃S and higher C₂S

    • Gypsum (2–5%)

    • Optional mineral additives depending on standard

  • Heat of Hydration:

    • Significantly lower than Ordinary Portland Cement (OPC)

    • Ideal for mass concrete

  • Fineness (Blaine): 3000–3500 cm²/g

  • Initial Setting Time: ≥ 60 minutes

  • Final Setting Time: 180–600 minutes

  • Compressive Strength:

    • 3 days: 10–15 MPa

    • 7 days: 18–25 MPa

    • 28 days: 40–55 MPa

  • Sulphate Content: < 3%

  • Chloride Content: < 0.05%

Advantages

  • Minimizes thermal cracking in massive structures

  • Excellent long-term strength

  • High durability in aggressive environments

  • Low permeability

  • Ideal for hot climates and large pours

Applications

  • Dams and hydraulic structures

  • Large foundations and retaining walls

  • Mass concrete (bridges, power plants, reservoirs)

  • Marine and coastal works

  • Thick concrete sections requiring controlled temperature rise

Packaging

  • 25 kg / 40 kg / 50 kg bags

  • 1 MT jumbo bags

  • Bulk upon request

Storage

  • Store in a dry, ventilated warehouse

  • Keep bags off the floor

  • Shelf life: 6 months

Standards

  • EN 197-1: CEM II/A-LL or CEM II/B-LL (low heat variants)

  • ASTM C150 Type II (MH) – Moderate/Low Heat Hydration

Initial request

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Company name
Low Heat Cement (LHC)
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