Portland cement type 1-425
The products of Isfahan cement Company
Description
Portland cement type1 (class 425) is usable in structures when higher compressive strength is required with no kind of chemical agents attack. Such as application in reinforced concrete structures and concrete T beams as precast concrete parts.
The price of each package is 50 kg Portland cement type 1-425
 
					
												Application of products
Portland cement type1 (class 425) is usable in structures when higher compressive strength is required with no kind of chemical agents attack. Such as application in reinforced concrete structures and concrete T beams as precast concrete parts.
Physical Properties
| Result | FINENESS | SITING TIME (Min.) | COMPRESSIVE STRENGTH (Kg/cm2) | SOUNDNESS % | |||
|---|---|---|---|---|---|---|---|
| Blaine (cm2/g) | INIT. | FINAL | 3 DAYS | 7 DAYS | 28 DAYS | Auto Clave | |
| 3200±100 | 110±25 | 180±30 | 230±20 | - | 530±30 | 0.1±0.1 | |
| ISIRI 389 | >2800 | >45 | <360 | >100 | - | >425& <625 | <0.8 | 
Chemical Properties
| Result | Insol. | SiO2 | Al2O3 | Fe2O3 | CaO | SO3 | MgO | K2O | Na2O | L.O.I | C3A | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.45 | 20.35 | 5.3 | 4.1 | 63.25 | 2.44 | 2.11 | 0.71 | 0.21 | 1.05 | 7.1078 | |
| ISIRI 389 | <0.75 | - | - | - | - | <3 | <5 | - | - | <3 | - | 
 
					
													