GREY PORTLAND CEMENT FOR CONSTRUCTION GRADE 42.5 R/N
30,000 X 12 M/T $45- $47
5,000,000 M/T PA NEG.
ACCORDING TO BRITISH AND SABS STANDARDS DIN EN 197-1/2000 OR ASTM C 150
Russia, Ukraine, CIS, China or India – SELLERS OPTION.
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/GR 3.250
Autoclave Expantion 0.02
Normal Consistency % 27.5
Initial Setting Time (Hours:Mins) 3.25 – 4.50
Hard Set (Hours:Mins) 4.54 – 6.00
Fitnes Index (CM2/GM) 2800-3040
COMPRESSIVE STRENGTH ISO/EN 197-1/2000 BS 4550 MORTAR
@ 03 DAYS 2.65 – 34.2 KG/CM2
@ 07 DAYS 37.3 – 42.5 KG/CM2
@ 28 DAYS 52.8 – 54.6 KG/CM2 |
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