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Portland cement
Standard:GOST-31108-2003, GOST 30515-97
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 packing:
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).
Brand ЦЕМ П\А-И 32.5 Н
Brand ЦЕМ I 32.5 Н
Brand ЦЕМ П\А-З 32.5 Н
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 |
|
