This type of portland cement is designed to be sulphate resistant and manufactured in accordance with the thai Industrial Standards Institute's specification for portland cement TIS 15-2547 Type 5 and the American ASTM C - 150 Type V
Property : Suitable for structural work near the sea or where the soil contains high salinity, for example in the construction of sea ports, wharfs, fishing piers, etc.
According to the American Standard Specification for |
Guarantee Specification |
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Silicon dioxide Aluminium oxide Ferric oxide Calcium oxide Magnesium oxide Sulfur trioxide Loss of ignition Insoluble residue Tricalcium silicate Tricalcium aluminate Total Alkalies (Na2O + 0.658 K2O) C4AF + 2C3A |
ASTM C114 (SiO2) (AI2O3) (Fe2O3) (CaO) (MgO) (SO3) (LOI) (IR) (C3S) (C3A) |
% % % % % % % % % % % % |
- - - - max 6.0 max 2.3 max 3.0 max 0.75 - max 5.0 max 0.6 max 25 |
Fineness ; Specific surface Air permeability test Soundness : Autoclave expansion Time of setting ; Vicat test; initial set final set Air content of mortar volume *False set Compressive Strength ; Mortar cubes; 1 day 3 days 7 days 28 days |
ASTM C 204 ASTM C 151 ASTM C 191 ASTM C 185 ASTM C 451 ASTM C 109 |
m2/kg % mins mins % % psi (MPa)[ksc] |
min 280 max 0.8 min 45 max 375 max 12 min 50 - min 1160 (8.0)[82] min 2180 (15.0)[153] min 3050 (21.0)[214] |
Remark : * Means Optional Requirements