Vietnam best quality clinker
Portland cement clinker
Strength: 50Mpa / 60 Mpa
Grade: 50Mpa / 60 Mpa
Sr. No
Testing parameter
Unit
Test Method
Actual Result
Standard requirements
1.
SiO2 content
%
TCVN 141:2008
21.33
from 18.0 to 26.0
2.
Al2O3 content
5.25
from 3.0 to 8.0
3.
Fe2O3 content
3.47
from 2.0 to 5.0
4.
CaOcontent
65.35
from 58.0 to 67.0
5.
MgOcontent
2.52
no more than 5.0
6.
CaOfree content
0.58
no more than 1.5
7.
Active Strength:
Mpa
TCVN 6016:1995
- after 3 days
28.42
no less than 25.0
- after 28 days
51.09
no less than 50.0
Moisture content
TCVN 7024:2002
0.11
no more than 1.0
Loss on ignition
0.53
