Concrete Repairing Coating




Acrylic Modified Emulsion & Waterproof Additive For Mortar & Concrete Dubond’s Hydro Crete is an acrylic emulsion which when added to cement mortar / concrete / grout provides good adhesion, water resistance and improvement of other properties. It is available in form of a milky liquid.

  • Green Building Rating
  • Low Emission
  • Low Ecological Impact
  • Health Care
  • Water Based


Areas of Application

  • Hydro Crete is a high quality emulsion that substantially increases the quality of cement mortars /concrete /grout for :
  • Rendering and coating
  • Jointing
  • Repair and adhesive mortar
  • Roof finishing
  • Bonding of concrete casts
  • Tiling
  • Waterproof rendering
  • Cement injection mix


Features & Benefits

  • Extremely good adhesion
  • Reduced shrinkage
  • Greater elasticity
  • Excellent oil and water resistance
  • Increased abrasion resistance
  • Improved chemical resistance
  • Improved UV resistance


Method of Application
Concrete surfaces should be sound and clean, free from oil, grease, cement laitance & loosely adhering particles. Absorbent surfaces should be saturated thoroughly with water but without showing any puddle on their surfaces

Application Instructions
Mixing : Mixing of diluted Hydro Crete to cement mortar / concrete should preferably be done manually. When a concrete mixer is used, pour the mortar as soon as its consistency is cohesive. Do not run the mixer too long.

Application Instructions

  • Acrylic Modified Emulsion & Waterproof Additive
  • For Mortar & Concrete
  • Rendering and coating
  • Jointing
  • Repair and adhesive mortar
  • Roof finishing
  • Bonding of concrete casts
  • Tiling
  • Waterproof rendering
  • Cement injection mix
  • Technical Information


Aggregates
Aggregates used in the mortar / concrete should be well graded and thoroughly washed. Sand particles sizes should correspond to the thickness of mortar to be applied.

Application Method / Tools

  • Bond Coating : Prepare the base as indicated above. Apply cement based primer by using Hydro Crete : Water = 1: 4 by volume in order to obtain a thin layer. When the primer coat is still fresh and sticky apply mortar made out of Hydrocrete & water combination.
  • Masonry Jointing : Prepare the base as indicated above. Make a firm mortar with fine sand & cement using Hydro Crete : Water = 1: 8. Impregnate the area with primer coat as above. While the primer is wet, apply the mortar and immediately finish or reshape the surface as required.
  • Waterproof Plaster : Dilute Hydro Crete with water in the proportion of 1: 6 by volume. Prepare the mortar with this gauging mortar. Cured Plaster with Hydro Crete would harden faster and would be watertight.
  • Bonding Successive Concrete Casts : Wash the surface with high-pressure jet. Prepare a pasty mortar with Hydro Crete: Water = 1: 8 by volume. Apply this mortar onto the surface in a layer of 23 – 30 mm thickness. Pour fresh concrete after about an hour. Vibrate carefully to achieve satisfactory interpenetration of mortar and concrete.
  • Polymer Modified Cement Grout for Injection : Open the crack lines into V and U groove and fix galvanized iron nozzles spaced at regular intervals of 0.5 to 1.5 mm c/c along groove length with Hydro Crete or HYDROBUILD SBR. Prepare a cement grout slurry admixed with Hydro Crete at dilution rate of 1: 4 to 1: 8 by volume with water. Inject the fluid as per normal.
  • Cleaning of Tools : Clean all tools and application equipment with water immediately after use. Hardened / cured material can only be removed mechanically.
  • Curing Treatment : Ensure that freshly applied mortars, renders, floor toppings, etc, are adequately protected from the drying effect of wind, sun and high temperatures. Adopt a curing regime appropriate to the application such as water mist, wet hessian, plastic sheeting, curing membranes.


Shelf Life & Storage
12 months from date of production if stored in undamaged & unopened, original sealed packaging, in dry conditions & protected from direct sunlight. Protect from frost.


Specifications

Thickness of Mortar 5 mm, 6 – 15 mm, over 15 mm
Particle Size 0 – 2 mm, 0 – 3 mm, 0 – 5 m
Appearance / Colour Milky White liquid
Chemical Base Acrylic dispersion
Density 1.03 kg / l at 27 ºC
Solid Content 40%
pH >7
Substrate Temperature +15˚C min. / + 40˚C max
Ambient Temperature +15˚C min. / + 40˚C max.

Additional Information

Packaging Details 1ltr, 5 ltr & 20 ltr container.




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