Cement Additive for Plaster & Concrete




Dubond's Hydrobuild LW Power is specially formulated integral liquid waterproofing compound composed of surface active plasticising agents, polymers & additives. It is used as an additive for cement concrete, mortar & plasters. It makes concrete cohesive and prevents segregation.

Standard Compliance / Specification
Meets the requirements of IS : 2645-2003

Areas of Applications

  • Waterproofing of concrete and sand-cement mortars used in .
  • Basements.
  • Roof slabs and screeds.
  • Water tanks & water retaining structures.
  • External plastering.
  • Bathrooms and balconies.
  • Sumps and drains.


Features & Benefits

  • Corrosion Resistant - Makes concrete more cohesive, hence protects steel better against corrosion.
  • Compatibility - Being a liquid, easily dispersible & compatible with concrete/mortar mixes.
  • Permeability - It reduces the permeability of water into concrete.
  • Strength - The setting time and compressive strength of the concrete remains within the specification limits.
  • Shrinkage - Reduces shrinkage crack development in plaster & concrete.
  • Workability - Improves workability of freshly mixed cement concrete.
  • Durability - Increases durability by improving waterproofing of concrete


Method of Application

  • Charge cement & aggregates to concrete mixer as per the mix design, mix in dry state for 1–2 minutes.
  • Start addition of 75–80% mixing water & mix for 2-3 minutes.
  • Hydrobuild LW Power is added as per the recommended dosage into the remaining mixing / gauging water, then add to concrete mixer & mix for another 2 minutes.
  • Place the concrete or apply plaster, as needed.
  • Cure the applied mortar or concrete as per good construction practices.


Precautions & Limitations

  • Do not add Dubond's LW power directly to dry cement & aggregate mix.
  • Maintain water-cement ratio as low as possible.
  • Do not increase the dosage of Hydrobuild LW Power than the recommendation.


Shelf Life & Storage
Best before 2 years from the date manufacture when in sealed pack and stored under proper condition. Store in a cool & dry place.

Health & Safety Precautions

  • Use rubber hand gloves & safety goggles, while using Hydrobuild LW Power.
  • In case of contact with skin, wash with plenty of water.
  • Keep out of reach of children.

Specifications

Dosage 200 ml per 50 kg bag of cement.
Appearance Free flowing liquid
Colour Wine red
Sp. gr. @ 250C 1.05 - 1.070
Non volatile content 13.5 - 14.5%
pH value 9 - 13
Setting time, minutes IS : 2645 : 2003, Passes
Chloride content IS : 2645 : 2003, Max. 2.00%
Water permeability IS : 2645 : 2003, Passes
2 Compressive strength n /mm IS : 2645 : 2003, as per the standard

Additional Information

Packaging Details 200 ml, 1, 5, 10, 20 & 100 ltr.




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