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SLAGCEM  
PORTLAND BLASTFURNACE CEMENT
       
       
    SLAGCEM  
   

SLAGCEM is the brand name of the high quality Portland Blastfurnace Cement produced by blending Ground Granulated Blastfurnace Slag (GGBS) with Ordinary Portland Cement (CEM I).

 
       
 

CERTIFICATIONS

SLAGCEM 50 is certified to MS 1389 : 1995 with the content of GGBS of 50% (50% GGBS to 50% OPC). Likewise, SLAGCEM 70 is certified to MS 1388 : 1995 with the content of GGBS of 70% (70% GGBS to 30% OPC). In the new EN standard (MS 522 : 2007), SLAGCEM 50 is certified as CEM III/A cement and SLAGCEM 70 is certified as CEM III/B cement.

APPLICATIONS

SLAGCEM 50 is suitable for applications in moderate heat of hydration, moderate sulfate resistance, water retaining structures, basement and other structures which require moderate low heat of hydration.

SLAGCEM 70 is suitable for applications in marine environment, mass concreting, sulfate environment, water retaining structures, basement and other structures which require low heat of hydration.

 
PROPERTIES



 
ENVIRONMENTAL BENEFITS

As granulated blastfurnace slag is a by-product from the steel manufacturing process, by using GGBS to replace 50% and 70% of cement, significant amount of CO2 emission will be eliminated.

  AVAILABILITY

SLAGCEM 50 and SLAGCEM 70 are available in bulk from YTL Westport & Pasir Gudang cement plants.


QUALITY ASSURANCE

SLAGCEM 50 and SLAGCEM 70 are produced under stringent quality assurance, environmental management and health & safety systems. It is certified to MS ISO 9001, MS ISO 14001 & OHSAS 18001.
 
GREEN LABEL SINGAPORE

Both SLAGCEM 50 and SLAGCEM 70 are certified as eco-friendly cement by the Singapore Environment Council.

 

TYPICAL SPECIFICATIONS FOR MARINE WORKS


 
REQUIREMENTS FOR TEMPERATURE
CONTROL AS PER BS 8500-1:2002


Clause A. 12.2
Delayed Ettringite Formation

Where the heat of hydration or accelerated curing is likely to take the concrete temperature above 70°C, the potential for Delayed Ettringite Formation should be considered.

 

LAND TRANSPORT AUTHORITY
(LTA) SINGAPORE,
SPECIFICATION FOR CONCRETE


Clause 11.11
Concreting of thick sections
  1. Maximum temperature shall not exceed 70°C.
  2. When GGBS is used at not less than 60%, maximum temperature shall not exceed 75°C.


  SPECIFICATIONS ON TEMPERATURE OF CONCRETE FOR A DAM PROJECT

  1. For normal structural concrete, the maximum temperature in the core after placing shall not exceed 65°C. The temperature differential between the surface and core of any section after placing shall not exceed 30°C.

  2. For massive concrete placements, the maximum temperature in the core after placing shall not exceed 50°C. The temperature differential between surface and core of any section after placing shall not exceed 20°C.
   
 
BENEFITS AND SELECTION OF SLAGCEM 50 AND SLAGCEM 70 BASED ON RECOMMENDATIONS OF THE BRITISH STANDARD





 

 
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