Cempatch HM

Cempatch HM is a single component repair mortar. Cempatch HM is composed of a blend of dry powders, and selected aggregates which when mixed with water produce a shrinkage compensated, self compacting and free flowing micro concrete suitable for small volume concrete repairs.

Applications

Repair of all types of structural concrete elements such as walls, columns, beams and floors.

Products Catalogue

Advantages

  • Does not contain corrosive substrates.
  • High initial and ultimate strength development.
  • Can be used in mortar consistency for small repairs.
  • Very high flow, suitable for repair of steel congested areas.
  • Easy to apply, single component, requires only addition of water.
  • Water vapour permeable.
  • Suitable for internal and external applications.
  • Shrinkage controlled cementations repair mortar eliminates cracking.
  • Extremely low permeability to water, providing excellent protection to steel reinforcements and host concrete.

Technical Properties:

Technical Properties

Compressive strength:
ASTM C109/109M-11

≥ 60 MPa @ 7 days
≥ 70 MPa @ 28 days

Working time

20 - 25 min @ 20°C
10 - 15 min @ 40°C

Expansion characteristics:

ASTM C827/C827M-10

0.5 - 1%

Flexural strength:
BS 6319, Part 3:1990

≥ 8 MPa @ 28 days

Colour

Grey

Setting time:
BS 4550

Initial : 6 - 7 hr @ 25°C
Final : 9 - 10 hr @ 25°C

 

Water penetration:
DIN 1048

≤ 10 mm

Fresh wet density
2.25 ± 0.10 g/cm3

Minimum application
Temperature

5°C