Cement

Composite portland cement
P. C32.5r p. C32.5
Items units national internal
MGO % ≤ 6.0 ≤ 4.0 ≤ 6.0 ≤ 4.0
So3 % ≤ 3.5 ≤ 3.0 ≤ 3.5 ≤ 3.0
Fineness % ≤ 10.0 ≤ 3.0 ≤ 10.0 ≤ 3.0
Chloride content% ≤ 0.06 ≤ 0.05 ≤ 0.06 ≤ 0.05
Time: Initial h: Min ≥ 0: 45 ≥ 2: 30 ≥ 0: 45 ≥ 2: 00
Final h: Min ≤ 10: 00 ≤ 5: 00 ≤ 10: 00 ≤ 5: 00

Soundness:
Pat test qualified
Ray type clamps mm ≤ 5.0 ≤ 4.0 ≤ 5.0 ≤ 4.0
Mpa:
Bending 3days mpa ≥ 5.0 ≥ 4.5 ≥ 2.5 ≥ 5.0
28days mpa ≥ 5.5 ≥ 6.0 ≥ 5.5 ≥ 6.0
Compressie
3days mpa ≥ 15.0 ≥ 18.0 ≥ 10.0 ≥ 13.0
28days mpa ≥ 32.5 ≥ 38.0 ≥ 32.5 ≥ 38.0

Ordinary portland cement
P. O42.5r p. O42.5
Items units national internal
MGO % ≤ 5.0 ≤ 4.0 ≤ 5.0 ≤ 4.0
So3 % ≤ 3.5 ≤ 3.0 ≤ 3.5 ≤ 3.0
Fineness % ≤ 10.0 ≤ 3.0 ≤ 10.0 ≤ 3.0
Loi % ≤ 5.0 ≤ 4.0 ≤ 5.0 ≤ 4.0
Chloride content % ≤ 10.0 ≤ 3.0 ≤ 10.0 ≤ 3.0
Time: Initial h: Min ≥ 0: 45 ≥ 1: 30 ≥ 0: 45 ≥ 1: 30
Final h: Min ≤ 10: 00 ≤ 3: 30 ≤ 10: 00 ≤ 3: 30
Soundness:
Pat test qualified
Ray type clamps mm ≤ 5.0 ≤ 4.0 ≤ 5.0 ≤ 4.0
Mpa:
Bending 3days mpa ≥ 5.0 ≥ 5.0 ≥ 5.0 ≥ 5.0
28days mpa ≥ 6.5 ≥ 7.0 ≥ 6.5 ≥ 7.0

Compressie
3days mpa ≥ 22.0 ≥ 25.0 ≥ 17.0 ≥ 21.0
28days mpa ≥ 42.5 ≥ 48.0 ≥ 42.5 ≥ 48.0

Portland cement
P. I52.5r p. I52.5
Items units national internal
Loi % ≤ 3.0 ≤ 2.5 ≤ 3.0 ≤ 2.5
MGO % ≤ 5.0 ≤ 4.0 ≤ 5.0 ≤ 4.0
So3 % ≤ 3.5 ≤ 3.0 ≤ 3.5 ≤ 3.0
Fineness % ≤ 10.0 ≤ 3.0 ≤ 10.0 ≤ 3.0
Insoluble residue % ≤ 0.75 ≤ 0.70 ≤ 0.75 ≤ 0.70
Specific surface m2/kg ≥ 300 ≥ 400 ≥ 300 ≥ 400
Time: Initial h: Min ≥ 0: 45 ≥ 1: 00 ≥ 0: 45 ≥ 1: 00
Final h: Min ≤ 6: 30 ≤ 2: 30 ≤ 6: 30 ≤ 2: 30

Soundness:
Pat test qualified
Ray type clamps mm ≤ 5.0 ≤ 4.0 ≤ 5.0 ≤ 4.0
Mpa:
Bending 3days mpa ≥ 5.0 ≥ 5.5 ≥ 5.0 ≥ 5.0
28days mpa ≥ 7.0 ≥ 8.0 ≥ 7.0 ≥ 8.0
Compressie
3days mpa ≥ 27.0 ≥ 30.0 ≥ 23.0 ≥ 28.0
28days mpa ≥ 52.5 ≥ 58.0 ≥ 52.5 ≥ 58.0