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.
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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