okorder cement

Portland Cement Clinker

Item Unit Standard Results
MgO % Max 5.0 1.75
F-Cao % Max 1.5 0.93
LOI % Max 1.5 0.24
IR % Max 0.75 0.3
SO3 % Max 1.5 0.67
C3S+C2S % Min 66 74.4
CaO/SiO2 % Min 2.0 3.08
Setting Time(Initial Set) Min ≥45 95
Setting Time(Final Set) Min ≤390 155
3 Day Compressive Strength MPa 31.7
28 Day Compressive Strength MPa 53.4
Other test results
SiO2 %
Al2O3 %
Fe2O3 %
CaO %
KH %
SM %
IM %
C3S %
C2S %
C3A %
C4AF %
Finess Blaine Method m2/kg
21.19
5.93
3.45
65.3
0.907
2.26
1.72
54.25
20.13
9.86
10.49
354

P•0 42.5 Cement Standard

Item National Standard Test Results
Loss on Ignition(LOI)(%) ≤5.0 3.4
MgO(%) ≤5.0 2.8
SO3(%) ≤3.5 2.2
Cl-(%) ≤0.06 0.03
Fineness(45µm residue)(%) ≤30 11.2
Fineness test Blaine(%) ≥300 388
Time of setting(min) Initial set ≥45 190
Final set ≤600 240
3-day Strength(MPa) Flexural Strength ≥3.5 5.9
Compressive Strength ≥17.0 28.1
28-day Strength(MPa) Flexural Strength ≥6.5 9
Compressive Strength ≥42.5 52
Variety Ordinary Portland Cement
Strength Grade 42.5
Standard GB175-2007 "General Portland Cement" GB175-2007

P•0 52.5 Cement Standard

Item National Standard Test Results
Loss on Ignition(LOI)(%) ≤3.5 1.65
MgO(%) ≤5.0 2.01
SO3(%) ≤3.5 2.24
Cl-(%) ≤0.06 0.026
Insoluble Residue(%) ≤1.5 0.61
Blended Material Content ≤5.0 4.1
Grinding Aid Content ≤0.5 0.03
Fineness test Blaine(m2/kg) ≥300 360
Time of setting(min) Initial set ≥45 157
Final set ≤390 251
3-day Strength(MPa) Flexural Strength ≥4.0 6.4
Compressive Strength ≥23.0 34.9
Variety Ordinary Portland Cement
Strength Grade 52.5
Standard GB175-2007 "General Portland Cement" GB175-2007

Portland Cement of Type I Standard

Characteristic Units Criteria conform with ASTM C150 Type I (PNS 07:2018) Test Results Test Method
PHYSICAL
Compressive strength(3 days) MPa 12.4 Min 28.6 ASTM Cl09/C109M
Compressive strength(7 days) MPa 19.3 Min 38.3 ASTM Cl09/C109M
Compressive strength(28 days) MPa 27.6 Min 48.1 ASTM Cl09/C109M
Time of setting(Initial set) min 45 Min 160 ASTMC191
Time of setting(Final set) min 375 Max 210 ASTMC191
Fineness test m2/kg 280 Min 380 ASTM C204
Air content of mortar % 12 Max 4.9 ASTM Cl85
Autoclave expansion % 0.8 Max 0.08 ASTMC151
CHEMICAL
MgO % 6.0 Max 0.73 ASTM Cl 14
SO3 % 3.0 Max 1.85 ASTM Cl 14
Loss on Ignition, (LOI) % 3.0 Max 1.50 ASTM Cl 14
Insoluble Residue % 1.5 Max 0.72 ASTM Cl 14

Portland Cement of TYPE I/II

Chemical composition Reqiured Specification Results Test method
Ferricoxide (Fe2O3),% Max 6.0 3.54 ASTM C114
Alumiumoxide (Al2O3),% Max 6.0 4.95
Silicondioxide (SiO2),% - 20.15
Calciumoxide (CaO),% - 63.32
Magnesiumoxide (MgO),% Max 6.0 2.04
Sulfurtrioxide (SO3),% Max 3.5 2.41
Equivalent alkalies (Na2O+0,658*K2O),% Max 0.65 0.58
Loss on Ignition (L.O.I),% Max 3.5 2.78
Insoluble Residue (I.R),% Max 1.5 0.48
Free CaO,% Max 1.5 0.57
Tricalcium Aluminate (C3A),% Max 8.0 7.13 ASTM C150/150
Tricalcium silicate (C3 S),% - 59.45
C4AF+2*C3A,% - 25.03
C3 S+4.75*C3A,% Max 100.0 93.31
Limestone,% Max 5.0 2.0 -
CaCO3 limestone Purity,% Min 70.0 90.5 Annex 2 C150/150M
Physicalresults
Specific surface (Blaine method), m2/kg Min 320 364 ASTM C204
Retained content on sieve 0,045mm,% Max 12.0 3.9 ASTM C430
Time of set initial Vicat test, minutes Min 45 140 ASTM C191
Time of set final Vicat test, minutes Max 375 200
Autoclave expansion,% Max 0.8 0.21 ASTM C151
Air content of mortar(%) Max 12.0 6.3 ASTM C185
False set, Final penertration,% Min 50.0 82.7 ASTM C451
Compressivestrength
1 day, Mpa 12-15 128 ASTM C109/C109M
3 day, Mpa 21-26 236
7 day, Mpa 28-32 303
28 day, Mpa 38-43 408

Portland Cement of TYPE I/II LOW ALKALIES Standard

CHARACTERISTICS Testing methods ASTM C150/C150M Spec. Results
Chemical Analysis
Ferricoxide (Fe2O3), % ASTM C114 Max 6.0 3.43
Alumiumoxide (Al2O3),% Max 6.0 4.90
Calciumoxide (CaO),% N/A 63.29
Magnesiumoxide (MgO),% Max 6.0 2.02
Silicondioxide (SiO2),% N/A 20.26
Sulfurtrioxide(SO3),% Max 3.0 2.29
Lossonignition (L.O.I),% Max 3.5 2.79
Insolubleresidue (I.R),% Max 1.5 0.48
Equivalent alkalies (Na2O+0,658*K2O),% Max 0.6 0.51
C3 S,% By calculation N/A 59.32
C2 S,% N/A 13.33
C3A,% Max 8.0 7.18
C4AF,% N/A 10.44
Physical analysis
Compressivestrength
- After 3 days, Mpa
- After 7 days, Mpa
- After 28 days, Mpa
ASTM C109/C109M
Min 12.0
Min 19.0
Min 28.0

23.8
30.7
42.3
Fineness
- Retained content on sieve 45µm,%
- Retained content on sieve 90µm,%
- Specific surface (Blaine method),m2/kg

ASTM C430
ASTM C430
ASTM C204

N/A
N/A
Min 260

7.5
0.9
366
Timeofsetting(Vicattest)
- Initial set., min.
- Final set., min.
ASTM 191
Min 45
Max 375

145
200
False set, Final penertration,% ASTM C451 Min 50 82.70
Air content of mortar, volume ASTM C185 Max 12 5.80
Autoclave expansion,% ASTM C151 Max 0.8 0.15
*N/A: Not Appication
The formula is as follows:
C3S=40071*CaO-7.6*SiO2-6.718*Al2O3- 1.430*Fe2O3-2.852*SO3
C2S = 2.867*SiO2-0.7544*C3S
C3A=2.650*Al2O3- 1.692*Fe2O3
C4AF =0.343*Fe2O3

Portland Cement of TYPE IL

Chemical composition Reqiured Specification Results Test method
Ferricoxide (Fe2O3),% - 3.01 ASTM C114
Alumiumoxide (Al2O3),% - 4.96
Silicondioxide (SiO2),% - 20.18
Calciumoxide (CaO),% - 62.68
Magnesiumoxide (MgO),% - 2.79
Sulfurtrioxide (SO3),% Max 3.0 2.03
Loss on Ignition (L.O.I),% Max 10.0 3.82
Insoluble Residue (I.R),% - 1.09
Equivalent alkalies (Na2O+0,658*K2O),% - 0.56
Free CaO Max 1.5 0.58
Tricalcium Aluminate (C3A),% - 8.05 By calculated
Tricalcium silicate (C3 S),% - 58.39
Dicalcium silicate (C2 S),% - 13.81
Tetracalcium alumioferrite (C4AF),% - 9.15
CaCO3 limestone Purity,% Min 70.0 90 Annex 2 C150/150M
Limestone,% 5.0- 15.0 8 -
Physicalresults
Specific surface (Blaine method), m2/kg ≥320 408 ASTM C204
Retained content on sieve 45µm,% Max 12.0 5.6 ASTM C430
Time of set initial Vicat test, minutes Min 45 160 ASTM C191
Time of set final Vicat test, minutes Max 375 235
Autoclave expansion,% Max 0.8 0.18 ASTM C151
Air content of mortar (%) Max 12.0 7.9 ASTM C185
Compressivestrength
3 day, Mpa/Psi ≥ 13.0/1890 18. 1/2625 ASTM C109/C109M
7 day, Mpa/Psi ≥ 20.0/2900 27.5/3990
28 day, Mpa/Psi ≥ 25.0/3620 38.9/5640

Portland Cement of Type IP Standard

Characteristic Units Criteria conform with Type IP (PNS 63:2019) Test Result Test Method
PHYSICAL
Compressive strength
• 3 days
• 7 days
• 28 days
MPa
13.0 Min
20.0 Min
25.0 Min

20.9
25.2
34.4
ASTMC109 / C109M
Time of setting
• Initial set
• Final set
min
45 Min
420 Max

170
210
ASTMC191
Fineness test m2/kg 280 Min 410 ASTM C204
Air content of mortar % 12 Max 4.8 ASTMC185
Autoclave expansion % 0.5 Max 0.09 ASTMC151
CHEMICAL
MgO % 5.0 Max 1.35 ASTM Cl 14
SO3 % 4.0 Max 1.60
Loss in ignition, (LOI) % 8.0 Max 6.80

SULPHATE RESISTANT CEMENT TYPE V

Items Units Specification Test method Result
ChemicalAnalysis
Ferricoxide (Fe2O3) % N/A ASTM C114 3.96
Alumiumoxide (Al2O3) 4.05
Silicondioxide (SiO2) 21.15
Calciumoxide (CaO) 63.77
Magnesiumoxide (MgO) Max 6.0 2.06
Sulfurtrioxide (SO3) Max 2.3 1.62
C3A content Max 5.0 4.03
Loss on Ignition (L.O.I) Max 3.5 2.45
Insoluble Residue (I.R) Max 1.5 0.48
Physicalanalysis
Specific surface (Blaine method) m2/kg Min 260 ASTM C204 375
Compressivestrength
- After 3 days
- After 7 days
- After 28 days
Mpa
≥ 8.0
≥ 15.0
≥ 21.0
ASTM C109 / C109M
17.1
26.4
35.7
Timeofsetting(Vicattest)
- Initial set.
- Final set.

min.
min.

≥ 45
≤ 375
ASTM C191
135
190
Air content ofmortar % ≤ 12.0 ASTM C185 5.5
Auto clave expansion ≤ 0.8 ASTM C151 0.11
False set, final penetration Min 50.0 ASTM C451 85.58
Sunfat resistance in 14 days expansion ≤ 0.04 ASTM C452 0.019
N/A: Not application.

PORTLAND CEMENT CEM I 52.5N

Technical characteristics Units Method Guarantee Typical
Chemicalcomposition
Al2O3 % EN 196 - 2:2013 3.5-6.5 5.41
Fe2O3 2.0-4.0 3.08
CaO ≥ 60.0 63.62
MgO ≤ 3.0 1.18
SO3 ≤ 3.0 2.35
LOI ≤ 3.0 1.9
IR ≤ 1.50 0.58
Free lime ≤ 1.5 1.2
Cl- ≤ 0. 1 0.007
Total Alkalis (Na2O+0,658*K2O) - 0.63
Physicalproperties
Finess Blaine Method cm2/g EN 196-6:2018 ≥ 3200 3660
On sieve N. 0,09 % ≤ 1.0 0.4
Soundness Le Chatelier mm EN 196-3:2016 - -
Setting time
- Initial set
- Final set
min.
≥ 100
≤ 300

125
125
Compressive strength
- 02 days
- 07 days
- 28 days
N/mm2 EN 196- 1:2016
≥ 22.0
≥ 35.0
≥ 55.0

25.4
43.5
58.5

Portland Cement of CEM II 42.5R

Characteristic Unit Range Test Result Test Method
Compressive strength
-3-days
-28-days
MPa
20.0 Min
42.5 Min

22.1
54.0
EN 196-1
Initial setting time min 60 Min 170 EN 196-3
Soundness expansionl mm 10 Max 1 EN 196-3
Sulfate content % 4.0 Max 2.4 EN 196-2
Chloride content 0.1 Max 0.01
Loss on Ignition - 8.20
Insoluble Residue - 2.30

Portland Cement of GB 175-2007 GRADE P. II 52.5R

Characteristic Units Specifications Test Methods
Chemical
MgO % <4.00 GB/T 176
SO3 <3.50
Loss on Ignition (LOI) <3.50
Chloride content <0.06
Insoluble residue <1.50
Physical
Consistency % / GB/T 1346
Mass density g/cm3 / GB/T 208
Specific surface m2/kg >300 GB/T 8074
Time of setting (Vicat test)
Initial set
Final
Min
>45
<390
GB/T 1346
Compressive strength
-3 days
-28 days
MPa
>27.0
>52.5
GB/T 17671

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CNBM Cement, a product offered by the Company, is suitable for various construction applications such as pre-cast panels and systems, cast-in-place structures, masonry units, roofing tiles, terrazzo floors, highway median barriers, tile grout, swimming pools, stucco, culture stone, colored masonry products, cement paints and coatings, as well as ornamental precast concrete items.

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