NBS Source
Magma HardMaster W672 Surface Reinstatement Concrete

Application

Typical applications include the filling of ‘picture frames’, concrete road and path repairs, and surface reprofiling.

Description

HardMaster W672 is a fibre reinforced, non-shrink, rapid setting concrete designed for surface reinstatement around street ironwork and general reinstatement in concrete roads, drives and surfaces. Typical applications include the filling of ‘picture frames’, concrete road and path repairs, and surface reprofiling. HardMaster W672 is perfect for any application that requires high early strength gain and a quick return to service time. It’s rapid set and high early strength development help reduce construction and road closure times, making it ideal for both planned and emergency repairs. HardMaster W672 is compatible for use with concrete, brick and s tone substrates.


Features and benefits:

  • Ready to receive traffic after just 90 minutes.
  • Early strength gain.
  • Fibre reinforced.
  • Easy to use, pre-blended, one component product - just add water and mix.
  • Excellent bond strength.
  • Shrinkage comp.
  • Smooth trowelable consistency.

General information

Shape

Formless

Color

Grey

Material

Concrete

Size

25 kg plastic bags or buckets.

Uniclass

Pr_20_31_16_29 Fine bedding concretesPrimary

CAWS

J10/110 Proprietary mortar

M40/32 Mortar bedding

M40/570 Mortar bedding

Specification data - Fine bedding concretes Enhanced data

Consistency

Moist mix.

Add 2.5–2.8 litres of water per 25 kg unit.

Workability

10—20 minutes.

Setting time

<40 minutes.

Shrinkage

<0.001%.

Density

2250—2300 kg/m³.

Yield - Mortar

12 L.

Per 25 kg.

Compressive strength – 1 hour

10.0 N/mm².

Compressive strength – 1 day

31.0 N/mm².

Compressive strength – 7 days

42.0 N/mm².

Compressive strength – 28 days

50.0 N/mm².

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Magma HardMaster W660 High Strength Bedding Mortar

Magma HardMaster W660 High Strength Bedding Mortar