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TPI Cement Type III

This is designed to render high early compressive strength. It is manufactured in accordance with the Thai Industrial Standards Institute's specification for portland cement TIS 15 - 2547 Type 3 and the American ASTM C-150 Type III.
Property : Suitable for the use in concrete work which requires support strength and quick setting as well as for the manufacturing of all prestressed concrete products, e.g. concrete piles, floor slabs, beams, and pylons.

According to the American Standard Specification for 
Portland Cement Type III (ASTM C 150)

Guarantee Specification

  • Chemical Requirements

ASTM C 114

 

 

Silicon dioxide

(SiO2)

%

-

Aluminium oxide

(AI2O3)

%

-

Ferric oxide

(Fe2O3)

%

-

Calcium oxide

(CaO)

%

-

Magnesium oxide

(MgO)

%

max 6.0

Sulfur trioxide

(SO3)

%

max 3.5

Loss of ignition

(LOI)

%

max 3.0

Insoluble residue

(IR)

%

max 0.75

Tricalcium silicate

(C3S)

%

-

Tricalcium aluminate

(C3A)

%

max 15

Total Alkalies (Na2O + 0.658 K2O)    

max 0.6

  • Physical Requirements

   

 

Fineness ; Specific surface Air permeability test

ASTM C 204

m2/kg

-

Soundness : Autoclave expansion

ASTM C 151

%

max 0.8

Time of setting ; Vicat test;

ASTM C 191

   

initial set

  mins

min 45

final set

  mins

max 375

Air content of mortar volume

ASTM C 185

%

max 12

*False set

ASTM C 451

%

min 50

Compressive Strength ; Mortar cubes;

ASTM C 109

psi (MPa)[ksc]

 

1 day

   

min 1740 (12.0)[122]

3 days

   

min 3480 (24.0)[245]

7 days

   

-

28 days

   

-

Remark : * Means Optional Requirements

RFQ

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