Product Category

 RCC - EX Set retarding admixture for RCC

Product Description

RCC - EX is a high quality set retarding water reducing admixture for roller compacted concrete.
RCC - EX  is chloride free retarder based on Hydrocarboxylic acide.

Product Detail

Standard RCC - EX conforms with ASTM C 494 Type B and D.
Advantages  
  • Extends working time of concrete mixture. The higher its dosage, the longer the setting time of concrete will be.
  • Improves the workability of concrete.
  • Reduces the mixing water.
  • Enhances strength and durability of concrete.
Field of application
  • Roller compacted concrete.
  • Ready mixed concrete, especially in hot climate.
  • Precast concrete elements.
  • Massive concrete and hydroengineering concrete.
  • Other high performance concrete.
Technical data
Color
Density
Packaging
Ingredient
 
Transparent liquid.
1,15 ± 0,05 g/cm3
200 ltr/drum
Mixture of specific organic substances.
Application
 
Typical dosage
 
Adding the amount of admixture into mixing water and following the conventional procedure.
0.5 – 2.5 litre per 100 kg of cementitious material.
The optimum amount of admixture should be determined by experiment.
Note
 
It should be mixed by a good mechanic mixer for achieving a optimum homogenous mixture. Do not mix by hands.
Storage
Shelf-life
The admixture should be kept in cool places.
12 months when unopened.
 
Data Mix design/result
Cement PC 40
Sand
Pulpstone
Stone 5-20mm
Fly ash
Water
RCC - EX 0,30% adhesive substance
    80 kg
  332 kg
  339 kg
1330 kg
  187 kg
  193 ltr
 0,80 ltr
Setting time
Initial
Final
Strength at 28 days
 
21h
28h
180-200kG/cm2
         
Mix design
 
 
 
 
 
 
 
 
 
 
Typical mix design for RCC grade 150kG/cm2 (at 30-32oC)
 
 
 
 
 
 
 
 
  Tested cement is But Son PC 40.