Cement CEM I 32.5B
(Equipment / Material)
Condition: New
Location or Storage Country: Russia
Service Engineering Support: Yes
Warranty: Yes
Price: Call for price
Description:
It is used for the production of concrete of strength class up to and including B30. For the production of concrete, reinforced concrete precast and monolithic structures, underground and underwater concrete and reinforced concrete structures, the production of solutions for masonry, plastering and repair work.
Overview:
Name of the indicator | Requirements | Yakutcement | TCZ | Spasskcement |
Grinding fineness: | Not standardized | 300÷340 | 290±40 | 320-330 |
- fineness of grinding (passing through sieve 008), % | 88÷90 | 91.0±4.0 | 96.0-97.0 | |
Normal density of cement paste, % | Not standardized | 25.25÷26.25 | 23.50-26.50 | 27.00-29.00 |
Setting time of cement paste (min): | Not earlier than 75/60 min | 120÷200 | 130-240 | 180-240 |
- end | Not standardized | - | 225-360 | 280-320 |
Uniformity of volume change (expansion), mm | No more than 10 | 0 ÷ 1.0 | 0.0-1.5 | 0.0-1.0 |
Compressive strength at the age of 2 days of normal hardening, MPa | Not less than 10/20 | 14.0÷18.8 | 12.3-17.5 | 13.0-15.0 |
Compressive strength at the age of 28 days of normal hardening, MPa | Not less than 32.5 and not more than 52.5 | 38.0 ÷ 47.0 | 44.0±4.5 | 40.0-44.0 |
| Loss on ignition, % | 0.75-0.75 | |||
| Insoluble residue, % | 0.56-0.57 | |||
Content of sulfur oxide (VI) SO3, % | No more than 3.5/4.0 | 2.30÷2.80 | 2.65±0.5 | 2.53-2.77 |
Content of chloride ion Cl - , % | Not more than 0.10 | 0.012÷0.036 | 0.0030±0.05 | 0.030-0.033 |
Specific effective activity of natural radionuclides A ff , Bq/kg | No more than 370 | Less than 67.3 | 63±8 | 64 |
Mass fraction of calcium oxide CaO, % | Not standardized | 64.70÷65.20 | - | 64.75-67.02 |
Mass fraction of silicon oxide SiO 2, % | Not standardized | 21.10÷21.50 | - | 20.63-21.79 |
Mass fraction of aluminum oxide Al 2 O 3 , % | Not standardized | 5.20÷5.40 | 5.10±0.20 | 5.17-5.60 |
Mass fraction of iron oxide Fe 2 O 3 , % | Not standardized | 3.70÷4.20 | - | 3.78-4.20 |
Mass fraction of magnesium oxide MgO, % | No more than 5.0 | 2.30÷3.00 | 1.75±0.20 | 1.00-3.65 |
Content of sulfur oxide (VI) SO3, % | Not standardized | 0.30÷0.43 | - | 0.10-0.25 |
Tricalcium silicate C3S , % | Not standardized | 62.50÷65.00 | - | 61.15-65.50 |
Dicalcium silicate C2S , % | Not standardized | 11.0÷14.50 | - | 10.65-14.45 |
Tricalcium aluminate (C 3 A), % | Not standardized | 6.5÷7.5 | 4.5-7 | 7.00-7.58 |
Tetracalcium aluminoferrite (C 4 AF), % | Not standardized | 11.2 – 14.0 | 12-14 | 11.49-12.77 |
Calcium oxide to silicon oxide ratio (CaO/SiO 2 ) | Not less than 2 | 3.08÷3.11 | 3.2±0.1 | |
Total content of tricalcium and dicalcium silicates (C 3 S + C 2 S), % | Not less than 67 | 75.50÷76.50 | 70±3 |
OOO "Vostokcement"
Locations: Russia, Vladivostok, Russkaya street, 65
Main Products/Services: Cement