We offer two extremely versatile, CEM II early strength cement types in the 32,5R and 42,5R strength classes. The difference between the two is dependent on the strength gain over different time periods, as well as application.

We are a primary producer and our products comply with SANS 50197-1, bearing the SABS mark of approval.

Not all cements are made equal – all the contents of Mamba Cement has cementitious value. Our cement is produced in the newest cement plant in South Africa using a high quality limestone deposit. Mamba Cement is pure in performance meaning that all the contents have cementitious properties.

Mamba 42,5R consists of cement clinker, gypsum and fly ash, in accordance with defined specifications.

There is no inert limestone included in this product.

Typical Applications:

  • Precast manufacturing
  • Ready mix concrete manufacturing
  • General Building
  • Structural Applications
  • Brick and block making
Performance Characteristics
  • Compressive Strengths Dispatch average MPs (ISO) SABS Specification
    2 Days 24 ≥ 20
    7 Days 38
    28 Days 46 ≥ 42.5 ≤ 62.5

  • Physical Strengths Actual
    Initial Setting (min) 200
    Expansion (mm) 0.5
    Fineness (cm²/g) 400

  • Chemical Properties Actual %
    Loss on Ignition (LOI.) 2.5
    Sulphate Content (SO3) 2.26
    Chloride Content (CI) 400

Mamba 32,5R consists of 55% cement clinker, 4% gypsum and 41% fly ash.

There is no inert limestone included in this product.

Typical Applications:

    • Precast manufacturing
    • General Building
Performance Characteristics
  • Compressive Strengths Dispatch average MPs (ISO) SABS Specification
    2 Days 15
    7 Days ≥16
    28 Days 35 ≥ 32.5 ≤ 52.5

  • Physical Strengths Actual
    Initial Setting (min) 200
    Expansion (mm) 0.5
    Fineness (cm²/g) 400

  • Chemical Properties Actual %
    Loss on Ignition (LOI.) 2.5
    Sulphate Content (SO3) 2.26
    Chloride Content (CI) 0.015

Mix guidelines for bagged cement

Suggested concrete and motor mixes are provided on the back of the cement bag, these mixes are based on generally available types of sands and aggregates.

The Call Centre will arrange for a competent person to provide advice in the event the user requires technical assistance.

Stockists

Mamba Cement is readily available including many building materials suppliers and retailers. Please contact Mamba Cement to find a supplier near you.