ITEMS

TCVN6260:2009

PCB 30

PCB 40

PCB50

1.Compressive Strength, Mpa, not less than:

 - 3 days ± 45 min

 - 28 days ± 8 hours

14

30

18

40

22

50

2. Vicat test (min)

- Time of setting, not less than

- Time of setting, not more than

45

420

3. Fineness:

-Particle Size > 0.09mm, Max, %

- Blaine menthod, Min, cm2/g

10

 2800

4. Soundness, Le Chatelier method, Max, mm

 10

5. SO₃ content, max, %

3,5