High Quality Clinker

No.

Specification

TCVN7024:2002 Standard

Result

1

Insoluble residue

≤ 0.75%

0.45 – 0.65%

2

Loss on Ignition (lg-loss)

≤ 1.5%

0.5 – 0.8%

3

Magnesium Oxide (MgO)

≤ 5%

0.7 – 1.2%

4

Alkaki (Na2O + 0.658K2O)

≤ 0.6%

≤ 0.6%

5

Sulfate (SO3)

≤ 1.5%

0.2 – 0.4%

6

Silicon Dioxide (SiO2)

-

21 – 22%

7

Calcium Oxide (CaO)

-

65 – 66%

8

Aluminium Oxide (Al2O3)

-

4.8 – 5.5%

9

Ferric Oxide (Fe2O3)

-

3 – 3.5%

10

Tricalcium Silicate (C3S)

-

≥ 55%

11

C2S

-

≥ 12 %

12

C3A

-

≤ 10%

13

Moisture

≤ 1.5%

< 0.5%

14

Freelime (f-CaO)

≤ 1.5%

≤ 1.5%

15

Particle size:

1mm under

25mm under and 5mm above

< 10%

> 50%

5 – 8%

65 – 70%