THE ASSOCIATED CEMENT COMPANIES LIMITED
ACC SURAKSHA
ACC SURAKSHA is the new brand name for a specially blended cement, produced by inter grinding higher strength ordinary portland cement clinker with high quality processed fly ash- based on norms set by ACC’s own R & D division. This makes ACC Suraksha  a ‘value added product’ with long-standing hydraulic binding properties- not found in ordinary cements. Which means construction that will last for generations when you build with ACC Suraksha.

CHARACTERISTICS OF ACC SURAKSHA

  • Reduction in heat during hydration, as a result reduction in cracking and extensibility.
  • Freedom form segregation and less bleeding.
  • Improvement in workability.
  • Alkali aggregates reaction is inhibited.
  • Improved resistance to sulphate attack.
  • Improved long term strength over OPC.
APPLICATIONS OF ACC SURAKSHA
  • All construction for plain and reinforced work.
  • Mass constructions.
  • Bridge piers.
  • Large foundation work.
  • All marine concrete structures such as docks, harbours, jetties.
  • Industrial plants.

WORKS TEST CERTIFICATE
 
   
Results
 11 Requirements as per IS:1489(Part-1)-1991
 1  CHEMICAL COMPOSITION:    
  % Soluble Silica    
  % Alumina    
  % Iron Oxide     
  % Magnesia
1.0
 Not more than 6.0%
  % Insoluble Residue
11.2
 Not more than 6.0%[X+4.0(100-X)/100]
X is %Pozzolana in PPC
  % Sulphur calculated as SO3
2.2
 Not more than 2.5 if C3A is 5.0 or less & 
Not more than 3.0 if C3A is more than 5.0
  % Loss On Ignition
2.4
 Not more than 5.0%
  % Chloride
0.012
  
  % Alkalies as Na2O    
       
 2  FINENESS    
  Specific Surface (m2/kg)
352
 Not less than 300 
       
 3  COMPRESSIVE STRENGTH (MPa):    
  at  3-Days
36.0
 Not less than 16
       7-Days
44.5
 Not less than 22
       28-Days
56.5
 Not less than 33
       
 4  SETTING TIME:    
  Initial (Minutes)
140
 Not less than 30
  Final (Minutes)
215
 Not less than 600
       
 5  SOUNDNESS    
  Le-Chatelier Expn (mm)
1.0
 Not more than 10 mm
  Autoclave Expn. (%) 
0.06
 Not more than 0.6%
       
 6 a) Normal Consistency (%)
27.2
  
  b) Temp.during Testing (0C) 
27+/-2
  
  c) % POZZOLANA MATERIAL USED
12.0
  

Comparison between SRPC and SURAKSHA

PROPERTIES SRPC SURAKSHA
1. CHEMICAL COMPOSITION
C3A Percent by Mass
2.2
2.0
2. FINENESS
Specific Surface m2/kg
315
361
3. SOUNDNESS
Lechatliers Expansion (mm)
1.50
1.0
Autoclave Expansion (%)
0.008
0.03
4. SETTING TIME
Initial (Minutes)
130
155
Final (Minutes)
180
210
5. COMPRESSIVE STRENGTH (MPa)
3 days
26.5
31.0
7 days
37.0
40.5
28 days
50.5
50.5
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