Лучший портландский цемент для продажи

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Характеристики


Ordinary Portland Cement (OPC) is general-purpose cement complying with BS 12, SS 26, and ASTM C150 Type I and suitable for all general construction projects such as buildings, foundations, beams, slabs, bridges, pavements, and pre-cast concrete products.
 


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Specification












































































































CHEMICAL COMPOSITION : 
Silicon Dioxide (SiO2) 20.8 - 21.5 
Aluminium Oxide (Al2O3)5.30 
Ferric Oxide (Fe2O3)3.25 - 3.5
Calcium Oxide (CaO)65.60
Magnesium Oxide (MGO%)1.7 - 3.0
Sulphur Trioxide (SO3)2.7 - 3.0 
Loss Of Ignition (LoI)1.8 - 3.0
Insoluble Residue %0.1 - 0.7
Tricalcium Silicate (C3S%)50.0 - 54.4
Dicalcium Silicate (C2S%)14.2 - 18.2
Tricalcium Aluminate (C3A%)6.0 - 6.8
Tricalcium Alumino Ferrice (C4AF%)11.6
Chromium (Cr%)2.0 Max
  
PHYSICAL AND MECHANICAL PROPERTIES : 
Blain CM2/GR3.250
Autoclave Expansion0.02
Initial Setting Time (Hours:Minutes)3.25 - 4.50
Hard Setting (Hours:Minutes)4.54 - 6.00
Fitness Index (CM2/GM)2800 - 3040
  
COMPRESSION STRENGTH : 
@ 03 DAYS 26.5 - 34.2 KG / CM2 and 
@ 07 DAYS 37.3 - 42.5 KG / CM2 and 

@ 28 DAYS 52.8 - 54.6 KG / CM2 




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