Concrete Repair

Additives

Monneli AR Latex Ripresa

Acrylic Bonding Agent & Cement Modifier

Uses
AR LATEX RIPRESA can be used as:
Bonding agent for rendering, plaster, screed and concrete
As a primer for all cement based repair products
Sealing coat and curing of concrete
As an adhesive for bonding concrete, masonry brick, etc.
Waterproof slurry coats to level and seal walls, floors and tanks
For fixing tiles when mixed with traditional cement mortar
Can be used for mortar lining of areas subject to abrasive or mild chemical action, effluent ducts, tanks, etc.
Resurfacing old concrete or granolithic floors
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Technical Information
Product Description

AR LATEX RIPRESA is an acrylic co-polymer bonding agent which is used for cementitious systems as a bonding aid, curing agent and gauging liquid. It is resistant to hydrolysis and can be used for external application.

AR LATEX RIPRESA is non-yellowing and has excellent resistance to ultraviolet degradation, heat and most common chemicals.

It is mixed with cement mixture to give higher adhesion power to all surfaces, extra bonding strength, excellent plasticity, higher impermeability and flexure resistance, higher abrasion and acid resistance and can be considered as a waterproof admixture when mixed with cement.

Advantages
  • Increases impact and abrasion resistance
  • Reduces permeability. Suitable for waterproof sealing and lining of tanks, pools, etc.
  • Improves chemical resistance to oil, grease, salt solutions and mild acids
  • Improves adhesive, tensile strengths of cementitious mixes
  • Self leveling, flowing consistency mixes can be produced to enable placement under difficult conditions
Packaging, Coverage / Consumption

Packaging:

AR LATEX RIPRESA is available in plastic container of 20 liters and 200 liters.

 

Consumption: 

3 – 6 m²/liter depending on substrate.

Shelf Life & Storage

Storage:

Keep sheltered from frost or direct sun and in original tightly closed containers.

 

Shelf life:

12 month if stored as recommended.

Technical Properties
PROPERTIES

RESULTS

Appearance

Milky white

Density at 25 ºC

1.02 kg/L

VOC

13.0 g/L

pH

8.5 – 9.5

Viscosity at 25 ºC

3500 – 5000 cps

Toxicity

None

Flammability

None

Temperature of application

+5°C to +35°C

Service temperature

-5°C to +80°C

All values are subject to 5-10 % tolerance
Application Information
Instructions for use

Surface Preparation

The surface must be clean, sound, solid, uncontaminated and compact. Contaminated material, dust, corrosion, grease substances and old paints must be completely removed.

The decayed or damaged area to be repaired should be marked. Cut the marked area to a depth of at least 10mm using a hand held concrete saw or disc grinder to avoid feather edging and to provide a square edge. Break out or chip the complete repair area down to sound base using sharp tools or chipping hammer.

Surfaces should be saturated with water to avoid possible backwater at the moment of casting. Before applying the screed for repairing, apply always the anchorage mortar to assure a perfect adhesion to the old cement support. Do not let the anchorage mortar dry but cast fresh on fresh.
For steel reinforcing use BETOFER or EPOZINC to coat steel bars to protect from rust and allow to dry before applying the repairing mortar.

  BOND COATING

  Mix Design
  Cement 50 kg
  AR LATEX RIPRESA 16 liters
  Coverage 1 – 2 kg/m²

Objective

Bond adhesion coat for concrete, brick and masonry surfaces, to accept cementitious renders, screeds or repair mixes. Waterproof slurry coating for concrete surfaces.

  WATERPROOF SLURRY

  Mix Design
  Cement 50 kg
  Sand: (0 – 0.3 mm) 25 kg
  AR LATEX RIPRESA 25 liters
  Coverage 2 – 3 kg/m²

Objective

Waterproof slurry for sealing basements, tunnels, reservoirs, pipes, areas where water seepage is undesirable, protection of metal against corrosion.

  CONCRETE FLOORING REPAIRS

  Mix Design
  Thickness 15 – 25 mm 10 – 20 mm
  Cement 50 kg 50 kg
  Medium Sand 100 kg 100 kg
  Gravel (3mm) 100 kg 50 kg
  AR LATEX RIPRESA 15 liter 10 liters
  Water 7 liters 10 liters

Objective

Trowelled repair mortars of plastic consistency to provide impact and abrasion resistant patching to flooring, stairways, walls, column.

  POLYMER CONCRETE
  Mix Design   20 – 30% by weight of cement

Objective

Production of flooring grade wet concrete mixes with improved adhesion and flexural strength, without excessive air entrainment.

 POLYMER SCREEDS

  Mix Design
  Cement 50 kg
  Medium Sand 100 kg
  Granite Chips (3mm) 100 kg
  AR LATEX RIPRESA 9 liters
  Water 11 liters

Objective

Trowelled polymer screed of heavy duty and low permeability, laid at 10 – 25 mm thickness.

For further information or particular use, contact Colmef Technical Department.

Cleaning

Clean tools and equipment immediately with water after use.

Additional Information
Health & Safety

AR LATEX RIPRESA can be harmful to skin as it contains cement powders which may releases alkalis when mixed with water.

During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.

In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly.

If ingested, obtain medical attention immediately. Do not induce vomiting.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.

additional materials
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Technical Properties Sheet
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Uses
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