ACCORDING TO BRITISH STANDARDS

12/1996 OR ASTM C-150

 

CHEMICAL COMPOSITION

SILICON DIOXIDE (SIO2) 21.00
ALUMINIUM OXIDE (A12O3) 5.30
FERRIC OXIDE (FE2O3) 3.30
CALCIUM OXIDE (CAO) 65.60
MAGNESIUM OXIDE (MGO) 1.10
SULPHUR TRIOXIDE (SO3) 2.70
LOSS OF IGNITION (LOI) 0.90
TRICALCIUM SILICATE (C3S) 60.00
DICALCIUM SILICATE (C2S) 15.00
TRICALCIUM ALUMINATE (C 3A ) 8.05
TRICALCIUM ALUMINO FERRICE (C4AF) 9.76

PHYSICAL AND MECHANICAL PROPERTIES

BLAIN CM2/GR 325
AUTOCLAVE EXPANTION 0.02
INITIAL SETTING TIME (VICAT) 105 MINUTES
FINAL SETTING TIME (VICAT) 135 MINUTES
COMPRESSIVE STRENGTH @ 03 DAYS 230 KG /CM2 AND@07 DAYS 305 KG /CM2 AND @ 28 DAYS 420 KG /CM2

	Min - Max		Min - Max
Silicon Dixide                       %ُSiO2	20.0 - 22.0	Insotuble Residue               %I.R	0.05 - 0.5
Aluminium Oxide                 %َAl2O3	4.5 - 5.5	Free Lime                    %Free CaO	0.7 - 1.5
Ferric Oxide                        %Fe2O3	3.5 - 4	Lime Saturation Factor         LSF	92.0 - 97.0
Calcium Oxide                     %CaO	62.0 - 66.0	Silica Module                        SLM	2.3 - 2.5
Mangnesium Oxide              %MgO	2.5 - 3.5	Alomina Module                    ALM	1.1 - 1.5
Sulphur Terioxide                %So3	2.0 - 3.0	Tricalcium Silicate                %C3S	40.0 - 60.0
Putassium Oxide                 %K2O	0.4 - 0.7	Dicalcuim Silicate                 %C2S	15.0 - 30.0
Sodium Oxide                      %Na2O	0.3 - 0.6	tricalcium Aluminate             %C3A	5.0 - 8.0
Loss on Ignition                  %L.O.I	1.0 - 2.5	Tetracalcium Aluminoferry  %C4AF	10.5 - 13.0

Physical Test

		Min - Max
Fitness : Blaine Test	Cm2/gr	2800 - 3200
Autoclave Expansion	%	0.01 - 0.2
Setting Time:
Initial	Minute	140 - 190
Final	Minute	270 - 320
Compressive Strength:
After 3 Days	Kg/Cm2	140 - 250
After 7 Days	Kg/Cm2	250 - 340
After 28 Days	Kg/Cm2	350 - 450

 

Chemical Analysis Physical Test SiO2 % 21.69 Fineness : Specific Surface, Blaine 2900 Cm2/g Al2O3 % 3.81 Fe2O3 % 4.26 Soundness : Autoclave Expansion 0.1 % CaO % 63.66 MgO % 2.00 Setting Time : Initial Final 140 180 Min. Min. SO3 % 2.20 Cl % 0.035 Na2O % + 0.658 K2O % 0.9 Compressive Strength : 3 Days 7 Days 28 Days 240 310 460 Kg/cm2 Kg/cm2 Kg/cm2 Loss On Ignition % 1.3 Ins. Res % 0.6 Free CaO % 1.0 C3S % 56.4 Bending Strength : 2 Days 7 Days 28 Days - - - - - - C2S % 19.7 C3A % 2.9 C4AF % 13.0 Bulk Density (g/cm2) 1.2 - 1.3 Sieve Test A 3.5 %

 

Chemical Analysis		Physical Test
SiO2 %	21.687	Fineness : Specific Surface, Blaine	3060	Cm2/g
Al2O3 %	5.00
Fe2O3 %	3.57	Soundness : Autoclave Expansion	0.1	%
CaO %	62.25
MgO %	2.00	Setting Time : Initial Final	140 180	Min. Min.
SO3 %	2.10
Cl %	0.035
Na2O % + 0.658 K2O %	1.0	Compressive Strength : 3 Days 7 Days 28 Days	210 310 435	Kg/cm2 Kg/cm2 Kg/cm2
Loss On Ignition %	1.60
Ins. Res %	0.40
Free CaO %	1.50
C3S %	42.6	Bending Strength : 2 Days 7 Days 28 Days	- - -	- - -
C2S %	30.6
C3A %	7.2
C4AF %	10.2
Bulk Density (g/cm2)	1.2 - 1.3	Sieve Test A	2.00	%

 

 

Chemical Analysis
Parameters	Result
Silicon Dioxide                                     SiO2	20.82
Aluminum Oxide                                 Al2O3	4.2
Ferric Oxide                                       Fe2O3	4.10
Calcium Oxide                                     CaO	63.72
Magnesium Oxide                               MgO	2.84
Sulfur Trioxide                                     SO3	1.56
Potassium Oxide                                 K2O	0.66
Sodium Oxide                                     Na2O	0.24
Chloride                                                Cl	0.065
Loss On Ignition                                  L.O.I	1.67
Insoluble Residue                                 I.R	0.36
Free Lime                                           F.CaO	0.9
Tricalcium Silicate                                 C3S	62.6
Dicalcium Silicate                                  C2S	12.47
Tricalcium Aluminates                           C3A	4.19
Tetracalcium Alumino Ferrite                C4AF	12.48

Physical Test

Sieve 0.09	7.1
Blaine (cm2/gr)	2964
Setting Time In(M)	195
Setting Time FI(M)	240
Auto.   Exp	0.065
Comp.Strengh kgf/cm2      3 Days	170
Comp.Strengh kgf/cm2      7 Days	230
Comp.Strengh kgf/cm2      28 Days	335

 

 

Chemical Analysis
Parameters	Result
Silicon Dioxide                                     SiO2	20.75
Aluminum Oxide                                 Al2O3	4.31
Ferric Oxide                                       Fe2O3	4.03
Calcium Oxide                                     CaO	52.9
Magnesium Oxide                               MgO	3.06
Sulfur Trioxide                                     SO3	1.7
Potassium Oxide                                 K2O	0.68
Sodium Oxide                                     Na2O	0.25
Chloride                                                Cl	0.078
Loss On Ignition                                  L.O.I	2.25
Insoluble Residue                                 I.R	0.42
Free Lime                                           F.CaO	1.5
Equivalent Alkalis	0.74
Tricalcium Silicate                                 C3S	58.78
Dicalcium Silicate                                  C2S	16.15
Tricalcium Aluminates                           C3A	4.80
Tetracalcium Alumino Ferrite                C4AF	12.26

 

Physical Result

Sieve 0.09	8.1
Blaine (cm2/gr)	3000	Min : 2800
Setting Time In(M)	200	Min : 45
Setting Time FI(M)	250	Max : 380
Auto.   Exp	0.125	Max : 0.8%
Comp.Strengh kgf/cm2      3 Days	260	Min : 100
Comp.Strengh kgf/cm2      7 Days	340	Min : 175
Comp.Strengh kgf/cm2      28 Days	430	Min : 315s