Portland Cement Type I
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Portland Cement Type I

Type I is a general purpose Portland Cement suitable for all uses where the special properties of other types are not required. It is used where Cement or concrete is not subject to specific exposures, such as sulfate attack from soil or water, or to an objectionable temperature rise due to heat generated by hydration. Its uses include pavements and sidewalks, reinforced concrete buildings, bridges, railway structures, tanks, reservoirs, culverts, sewers, water pipes and masonry units.

Iran Portland Cement Type I, Portland Cement Type I.

 

Portland Cement Type 1-525 (M-500)

This national Iran standard Cement in accordance with number 389 ISIRI that has the chemical and physical properties of Cement 1-325 is. The initial pressure resistance but have (2-day) at least 100 kg/cm² and the final resistance (28-day) at least 425 kg/cm² and maximum of 625 kg on square centimeter that the early closure of a hard Cement and concrete structures in all armed and unarmed that need to be more original and final strength, the ability to apply. In typical concrete as expressed in lieu of Cement 1-325, all of the columns, the slab roofs, bridges, structures that need to open a quick format and concreting in cold weather, the application of the Cement is. The Cement for the construction of the concrete structures that need to render and format is a quick, concrete and application in addition to the capability of taking on the ordinary concrete placement, special application for the typical bulky concrete in cold weather and that the need to maintain the temperature of concrete more than 5 degrees Celsius, is.

Portland Cement Type I producer, Portland Cement Type I exporter

Portland Cement Type 1-425 (M-400)

This national Iran standard Cement in accordance with number 389 ISIRI, that has the chemical and physical properties of Cement 325-1 is. The initial pressure resistance but have (2-day) at least 100 kg/cm² and the final resistance (28-day) at least 425 kg/cm² and maximum of 625 kg on square centimeter that the early closure of a hard Cement and concrete structures in all armed and unarmed that need to be more original and final strength, the ability to apply. In typical concrete as expressed in lieu of Cement 1-325, all of the columns, the slab roofs, bridges, structures that need to open a quick format and concreting in cold weather, the application of the Cement is.

Portland Cement Type I Standard Tests

The following table contains standard tests for Portland Cement Type 1-525 (M-500) and Cement Type 1-425 (M-400). MGT Mineral Company can provide all necessary trading relationship to export Portland Cement Type I with these characteristics. 

  Type 1-525 (M-500) Type 1-425 (M-400)
Component ISIRI 389 Iranian standard test result ISIRI 389 Iranian standard test result
SiO2 *** 21.55 *** 21.75
Al2O3 *** 5.35 *** 5.15
Fe2O3 *** 3.25 *** 3.23
CaO *** 63.94 *** 63.75
MgO <5 1.12 <5 1.15
SO3 <3.5 1.90 <3.5 1.95
L.O.I <3 1.85 <3 2.08
In.R <0.75 0.32 <0.75 0.34
K2O *** 0.55 *** 0.56
Na2O *** 0.32 *** 0.33
Free CaO *** 1.40 *** 1.30
LSF *** 91.05 *** 90.30
SM *** 2.51 *** 2.60
AM *** 1.65 *** 1.59
C3S *** 50.51 *** 49.41
C2S *** 23.71 *** 25.10
C3A *** 8.68 *** 8.18
C4AF *** 9.89 *** 9.83
Blaine(Cm2/gr) *** 3551 *** 3150
Setting time Initial (min) >45 130 >45 136
Final (min) <360 205 <360 232
Expansion (autoclave) % <0.8 0.08 <0.8 0.13
2 day >200 210 >100 150
3 day *** 305 *** 230
7 day *** 452 *** 386
28 day >525 575 >425 485
 

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