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CPR 404 – Rapid Cure Primer for Concrete Repair Mortars

Typical Uses

  • CPR 404 Rapid Cure Primer for Concrete Repair Mortars is generally used as a primer for concrete prior to the application of other CPR products.
  • As an adhesive for bonding new to old concrete e.g. resin bonding new floor toppings to old concrete.
  • As a protective treatment to exposed steel reinforcement during concrete repair.

£36.00£97.50 Excl VAT

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Description

Rapid Cure Primer for Concrete Repair Mortars

CPR 404 Rapid Cure Primer for Concrete Repair Mortars is a fast setting and low temperature grade primer for concrete and masonry surfaces, suitable for application at temperatures down to 1°C. The product exhibits outstanding adhesion to old and new concrete, including cool damp surfaces, and may be used in all rapid or low temperature bonding and priming operations involving concrete and other masonry surfaces.

CPR 404 Rapid Cure Primer for Concrete Repair Mortars is supplied as a two pack system, comprising pre-weighed amounts of BASE and CURING AGENT components.

Typical Properties

  • Solvent free, low odour
  • Excellent adhesion to concrete and steel
  • Impervious to water
  • Low viscosity, easily applied
  • May be applied to cool, damp surfaces
  • Pre-packaged units ready for use
  • Very good chemical resistance
  • Rapid Cure

Directions for Use

Surface Preparation 

  • Concrete surfaces shall be a minimum of 21 days old and/or the residual moisture content shall be below 6%.
  • Ensure that the concrete is clean and free from dust, laitance, grease, oil, curing compound, and existing paint finishes etc.
  • Suitable mechanical treatment such as vacuum grit blasting or mechanical scabbling is recommended to ensure the removal of contaminants and to provide a mechanical ‘key’ for CPR 404 Rapid Cure Primer for Concrete Repair Mortars.
  • Steel reinforcement shall be abraded, wire brushed, etc, to remove all traces of rust.
  • Priming should immediately follow preparation to obviate the possibility of flash rusting.

Mixing

  • CPR 404 Rapid Cure Primer for Concrete Repair Mortars is supplied in pre-weighed containers ready for mixing. Pour the contents of the CURING AGENT container into the BASE container and thoroughly mix, preferably by mechanical means until a uniform colour is achieved.

Application

  • Apply by brush or roller at a nominal rate of 0.15 to 0.30kg/m².
  • Ensure that the surface is thoroughly wetted out.
  • Allow the primer to ‘tack up’ for a minimum of 10 minutes prior to the application of subsequent treatments.
  • Note: In thin section the primer will remain ‘open’ for 60 minutes @ 20°C, within which time subsequent application should be carried out. Should this period be exceeded then the surface must be re-primed prior to continuing.

Equipment Cleaning

Curing

  • Touch dry after 2 hours @ 20°C. Hard dry after 4 hours @ 20°C

Storage and Shelf Life

  • Store in dry conditions, out of direct sunlight, at temperatures between 10°C and 25°C.
  • Do not expose to freezing conditions.
  • CPR 404 Rapid Cure Primer for Concrete Repair Mortars has a minimum shelf life of 12 months when stored in original, unopened containers in accordance with manufacturer’s instructions.

Packaging

  • CPR 404 Rapid Cure Primer for Concrete Repair Mortars is supplied in 1kg, 2kg and 5kg packs.

Coverage

  • 5-7.0m²/kg depending on surface texture.

Technical Data

  • Viscosity: 400 cps @ 20°C
  • Pot life @ 20°C: 20 Minutes
  • Appearance: Pale, straw coloured liquid with low odour.
  • Adhesion to concrete: 4.1MPa (concrete failure)

Limitations

  • Do not apply to wet or uncured concrete surfaces.
  • Do not apply when temperatures are below 1°C, or if there is a risk of frost during the initial curing period.

Health and Safety

  • Avoid contact of the material with skin and eyes.
  • Wear gloves and goggles.
  • Wash off splashes immediately with soap and water.
  • Any eye contamination must be rapidly irrigated with copious amounts of clean water, and immediate medical attention sought.

Legal Notice

Whilst all reasonable care is taken in compiling technical data on the Company’s products, all recommendations or suggestions regarding the use of such products are made without guarantee, since the conditions of use are beyond the control of the Company.

It is the customer’s responsibility to satisfy himself that each product is fit for the purpose for which he intends to use it, that the actual conditions of use are suitable and that in the light of our continual research and development program the information relating to each product has not been superseded.

 

Additional information

Weight N/A
size

1kg, 2kg, 5kg

Brand

CPRL

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