SEPHAKU 52

Sephaku 52 is a 52,5N high performance cement, suited for civil engineering and structural concrete applications where day one strength is required.

Sephaku 52 is a type CEM I 52,5N high-performance cement and is manufactured to comply with the requirements for a strength class 52,5N in accordance with South African National Standard SANS 50197–1:2013. Sephaku 52 is suitable for use with cement extenders, e.g. Fly Ash, GGBS (Ground Granulated Blast Furnace Slag) and Silica Fume to enhance the properties and uses of concretes.

BENEFITS

Particularly suited for civil engineering and structural concrete applications

High-strength concrete, pre-casting and ready-mix

Suited for water-tight, structural and pre-stressed concretes

Day-one strength and cold-weather concreting

Precision grouts, repairs and formulated cement products

APPLICATIONS

  • 1 wheelbarrow load of cement in volume = 2 x 50 kg bags.

HIGH STRENGTH CONCRETE

Improved water tightness, columns, slabs and heavy-duty industrial floors.
25 – 30 MPa

  • x 1 – Cement
  • x 2 – Sand
  • x 2 – Stone
  • x 9 – Bags per m2

MEDIUM STRENGTH CONCRETE

Paths, driveways and light-duty floors.
20 – 25 MPa

  • x 1 – Cement
  • x 2.5 – Sand
  • x 2.5 – Stone
  • x 7.5 – Bags per m2

LOW STRENGTH CONCRETE

Foundations, footings, ‘home’ concrete, e.g. domestic flooring, steps, paths and fencing.
10 – 15 MPa

  • x 1 – Cement
  • x 3.5 – Sand
  • x 3.5 – Stone
  • x 5 – Bags per m2

MORTAR (GENERAL PURPOSE)

Bricklaying and plastering.
5 MPa

  • x 1 – Cement
  • x 6 – Sand
  • x 6.5 – Bags per m2

DRY, LEAN MIXES

Brick and block manufacture.

  • x 1 – Cement
  • x 8 – Sand
  • x 5 – Bags per m2

TIPS & KNOW-HOW

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