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. SO_3�content, max, %

3,5