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PLASTCONE R is a chloride free concrete retarder which can delay the setting time of concrete. The initial hydration of the cement is also delayed, resulting in a delay in the setting time of the concrete with no adverse effect on subsequent stiffening and strength gain.  

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Category: Concrete Admixure


  • To extend the setting time of concrete, extending working times  
  • To improve the effectiveness of the water content of a concrete mix  
  • In all types of low and high rise building  
  • Particularly suitable for use in mixes having fly ash and also improve the working life of semi dry concrete mixes, specifically RCC type of mixes
  • Controlled retardation extends working life and stiffening time for ease of construction  
  • Water reduction significantly improves compressive strengths at all ages and enhances durability through the production of low permeability concrete  
  • Control of stiffening improves slip forming and assists in preventing the formation of cold joints in large pours  
  • Allows specified strength grades to be met at reduced cement content or increased workability   

Compliance standard:
IS 9103  

Method of application:
The optimum dosage is  best determined by site trials with the concrete mix. Site trials with PLASTCONE R should always be compared with mix containing no admixture. As a guide, a dosage range of 0.6 to 1.5% of cement is normally rec

Appearance Brown liquid
Sp. Gravity Typically 1.250 to 1.270 @ 270C
Air entrainment Typically slightly less air will be entrained than in normal concrete mix
Chloride content Nil
Alkali content Typically less than 055g Na2O equivalent per liter of admixture

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