Product name |
Ordinary cement |
Rapid-hardening cement |
Rapid-hardening oil-shale cement |
Composite cement |
Ultra cement |
Cement designation |
CEM I 42,5 N |
CEM I 42,5 R |
CEM II/A-T 42,5 R |
CEM II/B-M (T-L) 42, 5 R |
CEM I 52,5 R |
Standard |
EVS-EN 197-1: 2002 |
EVS-EN 197-1: 2002 |
EVS-EN 197-1: 2002 |
EVS-EN 197-1: 2002 |
EVS-EN 197-1:2002 |
Standard name of cement |
Portland- cement |
Portland- cement |
Portland oil - shale cement |
Portland composite cement |
Portland-cement |
Strength class of cement |
42,5 N |
42,5 R |
42,5 R |
42,5 R |
52,5 R |
No of the conformity certificate |
1504-CPD- 022/05 |
0956-CPD- 1221.1014 |
0956-CPD- 1221.1071 |
1504-CPD- 013/05 |
1504-CPD-135/10 |
Issued by and No. |
Certification Centre of TUT 1504 |
BMC 0956 |
BMC 0956 |
Certification Centre of TUT 1504 |
Certification Centre of TUT 1504 |
The letter R in the strength class designation of cement refers to high early strength of the cement
The letter N tin the strength class designation refers to ordinary early strength of the cement |
| Characteristics |
| Compressive strength, Mpa |
| After 1 day |
13 |
17 |
18 |
15 |
27 |
| After 2 days |
24 |
32 |
31 |
28 |
42 |
| After 28 days |
54 |
58 |
55 |
58 |
62 |
| Setting time, min |
190 |
220 |
180 |
200 |
190 |
| Composition, % |
|
|
|
|
|
| Portland cement clinker together with gypsum |
96 |
96 |
82 |
71 |
96 |
| Burned oil-shale |
- |
- |
18 |
21 |
- |
| Aggregates (limestone) |
4 |
4 |
- |
8 |
4 |
| Fineness, m2/kg |
350 |
400 |
380 |
440 |
550 |