Grey Portland Cement Construction Grade 42.5N and 42.5R. Specifications to British Standards 12/1996 or ASTM C-150. Specifications below: Chemical Composition. Silicon Dioxide (SI029) 21.00
Aluminium Oxide (A1023) 5.30
Ferric Oxide (Fe203) 3.30
Calcium Oxide (CaO) 65.60
Magnesium Oxide (MgO) 1.10
Sulphur Trioxide (SO3) Loss of Ignition (LOI) 0.90
Tricalcium Silicate (C3Si) 60.00
Dicalcium Silicate (C2S) 15.00
Tricalcium Aluminate (C3A) 8.05
Tricalcium Alumino Ferrite (C4AF) 9.76
Physical and Mechanical Properties
Blain CM2/GR 3.250
Autoclave Expantion 0.02
Initial Setting Time (Vicat) 105 minutes
Final Setting Time (Vicat) 135 minutes
Compressive Strength @ 3 days 230KG/CM2
@7 days 305KG/CM2
@28 days 420KG/CM2.
Origin :Sellers Option
Shipped C.I.F ASWP.
We need from you a letter of intent written on your company letterhead, signed and stamped, and your Bank Credit Letter. Very good prices. Steel and constuction materials also available C.I.F ASWP.
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