Grey Portland Cement 42.5,South Africa price supplier

1.    Additive content: conformed with TCVN 6260:2009

2.    Fineness: sieve 90µm (10% max), Blaine (2800 cm2/g min)

3.    Autoclave Expansion: 0.8mm max

4.    Time of setting:

4.1.        Initial test: 45 minutes min

4.2.        Final set: 420 minutes max

5. Soundness: 10 mm max

6. Compressive strength:

6.1.        After 3 days: 18 N/mm2 min

6.2.        After 28 days: 40 N/mm2 max

7.Sulfur trioxide content: 3,5 % max

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