• date_rangePosted On :   Aug 29' 2006
  • location_cityCity :   Gyeongsangbuk-Do
  • languageCountry :   Korea
  • content_pasteEnquiry No. :   6082938

We are looking for Ordinary Portland Cement Grade 42.5.
Please quote as follows spec.:

Quantity: 7,500mt FOB Base 50KG Bag
Description Requirement Obtained
Chemical Analysis:
Silicon Dioxide (Sioz) % 20.25
Aluminum Oxide (A1203) % 4.73
Ferric Oxide (Fe203) % 3.35
Calcium Oxide (Cao) % 63.44
Magnesium Oxide (Mgo) % 5.0 Max 3.15
Sulphur Trioxide (So3) % 3.5 Max 2.91
Alkalles (Na2o + 0658 X K2o) % 0.5
Loss On Ignition % 3.0 Max 1.05
Insoluble Residue % 1.5 Max 0.51
Tricalcium Silicate (C2s) 66.0 Max 72.59
Dilicalcium Silicate (C2s)
Tricalcium Aluminate (C3a) % 6.87
Tetra Calcium Aluminoferrite (C4af) 10.18
Chloride 0.10 Max 0.021
Physical Tests:
Fineness, Blalne Test, (Cm.-Sqr./Gm.) 3260
Soundness, Expansion (Mm.) 10 Max 1
Compressive Strength:
After 2 Days (N/Mm.Sqr.) 20.0 Min 25.5
After 28 Days (N/Mm.Sqr.) 42.5 Min 50.37
Setting Time, Vicat Test. Initial (Minutes) 60 Min 195

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