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MASTERCURE RB-2 is a single component low viscous liquid. It is a film forming curing compound formulated from synthetic resins. It prevents water loss from concrete when it is applied over green concrete surface. It is suitable for spray application to freshly poured concrete. The resultant film retains sufficient moisture in the concrete to ensure full hydration of the cement, essential for optimum strength development.

 

 


Technical Information

Characteristics
 Nature
:
Single component liquid.
 Type

:
Resin based compound with aluminium pigments

 Colour

:

Bulky liquid - Grey
Dry film - metallic aluminum

 Specific gravity at 30°C
 Drying time at 30°C
 Water retention test
:
 :
:
0.82 + 0.02
About 30 minutes
Passes
 Standards

  ASTM C309 - class
Band BS 7542



Features / Advantages

  • Can be easily applied by spray/roller or brush
  • Reduces incidence of drying shrinkage.
  • Eliminates the need for curing with water.
  • Ensures achievement of desired strengths.
  • High curing efficiency.
  • Reduces dusting.
  • Increases frost resistance.
  • Reduced chloride penetration.
  • Reduced labour costs.

Usage

  • Highways
  • Runways
  • Canals, Retaining walls
  • Roof decks
  • Industrial floor slabs, walls and columns parking garages, warehouses,
    terrazzo floors etc.
  • Horizontal or vertical concrete, interior or exterior concrete.


Directions for use

1. Method
Stir the Mastercure RB-2 liquid thoroughly before use. Ensure the aluminium pigments present in the liquid is homogeneously dispersed before the material is applied.


2. Application

Mastercure RB-2 has been designed for spray application over the freshly laid concrete once the visible surface water has evaporated from the green concrete surface i.e. typically 30 to 120 minutes after placing the concrete. A thin layer of
Mastercure RB-2 is applied to the whole concrete surface using a power driven equipment. For small areas hand operated spray gun can be used. Ensure uniform application. The pump pressure should be maintained at a level to produce fine spray. Allow the product to dry 4 to 6 hours exposure to foot traffic. Protect the applied area from rain for at least 2 to 4 hours.

3. Coverage
The rate of application depends on requirements but is typically within the range of 0.1 to 0.2 kg/sq. m. depending on wind humidity and temperature.


Cleaning of tools & Equipment

Immediately after use the spray equipment should be cleaned out thoroughly with 'Masterklean SOL' or xylene or petrol.

Storage and shelf life

It has a shelf life 12 months. Containers should be kept airtight to prevent surface evaporation.

Packing
5 Litre, 20 Litre and 200 Litre

Precautions
It is advisable to wear goggles while spraying. Inhalation of spray should be avoided. When it contacts with skin, should be cleaned immediately. Seek medical advise incase of contact with eyes.



 
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