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Portland cement

Portland cement 

GOST-31108-2003, GOST 30515-97

brand ЦЕМ П 32.5 Н

brand ЦЕМ I 32.5 Н

brand ЦЕМ I 42.5 Н

brand ЦЕМ П\А-З 32.5 Н

Production cycle: 

  • production of limestone and timbers;
  • crushing the limestone and timbers to obtain the premix;
  • grinding the premix to produce the raw meal;
  • burning the raw meal to produce the clinker;
  • grinding the clinker with adding gypsum and mineral additives to obtain cement;
  • shipment of the cement to consumers in bulk or in bags.

Application range:

The general-purpose Portland cement is mainly used in reinforced-concrete work, in performing foamed concrete, concrete, general-purpose construction work, as well as in laying walkway slabs and pavement plates.                                                                                                                                                                                                                          

Form and package:

The general-purpose Portland cement is packed either in polypropylene bags, which have a polyethylene insert, or in 50 kg multilayer paper bags, or shipped in bulk (in railway cars or cement trucks).

The general-purpose Portland cement is produced as per GOST-31108, GOST 30515, brands: ЦЕМ П\А-И 32.5 Н; ЦЕМ I 42.5 Н; ЦЕМ П\А-З 32.5 Н.

 

Cement strength class

Compressive strength, MPa, at the age, days

Initial setting time, min, no earlier than

Soundness (expansion), mm, no more than

2

7

28

No less than

No more than

32,5Н

 

16,0

32,5

52,5

75

10,0

42,5Н

10,0

 

42,5

62,5

60 


 
White Portland cement 

Standard: O’z Dst 761-96

Brand ПЦБ I 1-500\42.5

Brand ПЦБ I 1-400\32.5

Production cycle: 

  • extraction of limestone;
  • crushing of limestone and kaolin and obtaining the premix;
  • premix grinding with obtaining the raw meal;
  • roasting the raw meal with obtaining clinker;
  • grinding the clinker with adding mineral additives to produce cement;
  • shipment of the cement to consumers in bulk or packaged.

Application range:

Production of dry construction mixes, and manufacture of concrete products.

Form and package:

The white Portland cement is placed into either polypropylene bags with a polyethylene insert or multilayer paper bags having a mass of 50 kg.

The white Portland cement is produced in compliance with requirements of the standard O’z Вые 761 for the brands: ПЦБ I 1-500\42.5 and ПЦБ I 1-400\32.5.

The strength of the White Portland cement meets the following requirements:

Brand and Strength class of Portland cement

Compressive strength, MPa, at the age, days

2

7

28

No less than

no more than

ПЦБ I 1-500/42,5

14,0

 

49,0

68,0

ПЦБ I 1-400/32,5

 

22,0

39,2

58,0

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