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Surtard 504

DESCRIPTION:

AT-SURTARD 504 is a surface retarder for exposed aggregate finish. It retards the hydration of cement at the surface. When subsequently washed off, the aggregates are exposed.

USES:

  • AT-SURTARD 504 provides mechanical key for subsequent operations
  • AT-SURTARD 504 provides exposed aggregate finish where architectural finish is required

ADVANTAGES:

  • Scrabbling of concrete is eliminated
  • Can be used in all type of form-works
  • Gives desired results in high temperature concreting
  • Labour cost is reduced
  • Non-hazardous, non-toxic

COVERAGE:

  • 0.100 kg – 0.200 kg/m2 depending on the surface and porosity of form-work.

APPLICATION:

  • AT-SURTARD 504 should be stirred well before use.
  • It can be applied by brush, roller or spray.
  • It has to be applied on clean, uncontaminated form-work. For highly absorbent formwork, minimum 2 coats have to be applied for effective / desired performance.
  • Before pouring of concrete in the mould, AT-SURTARD 504 should be dry.
  • Remove form-work as quickly as possible and wash off concrete surface with a strong water jet.
  • Depending upon the rate of application the depth of exposure can be 4 mm to 10 mm on the concrete surface.

TECHNICAL DATA:

TYPE Poly-hydroxy compound
SPECIFIC GRAVITY 1.13  0.01 @ 300 C
WATER SOLUBALITY Soluble
ORDOUR Slight

PACKAGING & STORAGE:

  • AT-SURTARD 504 is available in the following pack:
    • 20 kg, 50 kg & 200 kg PACKING
  • Shelf life is 12 months in sealed containers as provided
  • Keep containers sealed and away from heat and cold in a well ventilated area
  • Stir material well before use

HEALTH & SAFETY:

  • Protect hands with rubber gloves and eyes with goggles.
  • Accidental splashes to the skin or eyes must be rinsed immediately with clean water.
  • Store in well-labeled containers.