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P.O.52.5(R) Ordinary Portland Cement

Characteristics
Grade: P.O.52.5(R)
High strength at the initial phase; high hydration heat; high freeze-resistance; low heat-resistance; low corrosion-resistance; low dry shrinkage.

APPLICATION
Construction of structures which require short construction time, such as roads and bridges. It is also used for the construction of high rise buildings.

PACKING
Packed in 50KG PP bags, 40 bags in one 2.0MT PP bags.
Packed in 2.0MT abt. P. P jumbo bags, with PE bags inside.
Packed in 2.0MT abt. P. P jumbo bags, with PE bags inside.

ADVANTAGE
  • High Compressive Strength
  • High Soundness
  • Low Co-efficient of Permeability
  • Strictly quality control during production
  • 5 stars lab
  • Patents issued by authorized center
  • High volume export experience
  • Sufficient capacity
  • Own limestone hill

TECHNICAL DATA
Ordinary Portland Cement P.O52.5
Specification GB175-2007 Requirement Ex-plant Test Result
Chemical Analysis
Loss on Ignition <=5.0 1.82
MgO(%) <=5.0(NB) 3.5
SO3 (%) <=3.5 2.16
Physical Properties
Soundness OK OK
Blaine Permeability(m2/kg) >=300 388
Initial Setting Time(min) >=45 148
Final Setting Time(min) <=600 238
Compressive Strength 3 Days(Mpa) >=23 29
Compressive Strength 28 Days( Mpa) >=52.5 56.5
Flexural Strength 3 Days(Mpa) >=4 5.8
Flexural Strength 28 Days( Mpa) >=7.0 8.3

Ordinary Portland Cement P.O52.5R
Specification GB175-2007 Requirement Ex-plant Test Result
Chemical Analysis
Loss on Ignition <=5.0 1.82
MgO(%) <=5.0(NB) 3.5
SO3 (%) <=3.5 2.16
Physical Properties
Soundness OK OK
Blaine Permeability(m2/kg) >=300 388
Initial Setting Time(min) >=45 128
Final Setting Time(min) <=600 238
Compressive Strength 3 Days(Mpa) >=27 34
Compressive Strength 28 Days( Mpa) >=52.5 57.5
Flexural Strength 3 Days(Mpa) >=5 7.1
Flexural Strength 28 Days( Mpa) >=7.0 8.2

 
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