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Oil And Gas Wells Cement Class D Drilling Cement
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Oil And Gas Wells Cement Class D Drilling Cement Application
Row | Type of Cement |
1 | Oil and gas well cement Class A |
2 | Oil and gas well cement Class D |
MAECENAS IACULIS
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Portland Cement Type 1-425
Portland Cement Type 1-425 Application
Row | Type of Cement | Type of Test | Forced limits matching Iran Standard under No. ISIRI389 | Delijan Cement Specs |
2 | Portland Cement Type 1-425 | 2 day Compressive Strength | Min 100 kg/cm2 | 200 +_ 10 kg/cm2 |
28 day Compressive Strength | Min 425 kg/cm2 Max 625 kg/ cm2 | 530 +_ 15 kg / cm2 |
Portland Cement Type 2
Portland cement Type 2 Application
- In cases that a cautious action is needed towards average attack of sulfates.
- Because of hydration reaction in low speed in this type of cement less heat is produced. So this type of cement can be used in almost massive structures like large pillars of big bridges and heavy retaining walls.
- Using this type of cement increases the temperature, this specialty is important in formwork in hot weather.
- In addition to aforesaid cased in all the cases that Portland cement type 1 is applied I mean this type of cement can be used where a special cautious action is not considered.
Oil And Gas Wells Cement Class A Drilling Cement
Cement Type 1-325
Oil And Gas Wells Cement Class E Drilling Cement
Portland Pozzolan Cement Application
Portland Pozzolan Cement Application
This type of cement more in addition to the general uses, is used in huge structures as well, because It has less hydration heat that Cement type 1 and 2 and the most important advantage of this cement is its more chemical resistance and this type of cement is recommended in environments that the sulfates and Clare attack is more probable. Speed of growing resistance in this type of cement is less than cement type 2 and type 5 but in long term loss of resistance is recovered.
We should pay attention that to increase concrete’s workability you must not increase the proportion of water more than cement, on the other hand because of low speed and hydration heat and slow pozzolan reaction with cement compounds curing concrete with pozzolan cement has to be continuous and wet and in other words the concrete curing situation in comparison with Portland cements has to be provided for longer time.
Totally important specialties of concrete made of Pozzolan concrete are less permeability, high durability and favorable chemical resistant.
Portland Cement Type 1-325
Portland cement Type 1-325 Application
It is useable in all Reinforced concrete and Non Reinforced concrete and basically all the cases that need special specs like resistance towards striking Ions and hydration heat are not considered. Because of high primary and final resistance especially in cases that need for faster opening and transferring of formwork of concrete is proposed it is used in building concrete silos as well. Also because of high amount of Phase C3S and as a result of produced heat the cement can be used in winter mild climate and thanks to this , this kind of cement is used cautiously in hot areas where the danger of increasing concrete temperature exists.
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