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Portland Type 42.5 Cement

Early strength high, high hydration heat, good frost resistance, heat resistance poor, corrosion resistance is poor, less dry shrinkage. Suitable for building the ground, underground and underwater concrete, reinforced concrete and prestressed concrete structures, the cycle of freezing and thawing structure and early strength to demand higher engineering, preparation of building mortar. Use range: Applicable to Bridges, docks, roads, buildings, underground and all kinds of concrete engineering in water and other construction projects, high permeability and high temperature resistant engineering, general industrial and civil construction, can match with the C30-C80 different grade concrete. Weight: 50Kg/bag
PHYSICAL CHARACTERISTICS
  Unit Standard Specification EN 197-1:2000 Double Rhinos
Fineness cm2/gm ≥2250 3626.11
Soundness mm Suitable
Setting Time
Initial Set mimnutes >45 115
Final Set mimnutes /< 600 230
COMPRESSIVE STRENGTH
3Days Mpa
psi
kg/cm2
>17.0
>/2465
369.69
5320.05
374.238
7Days Mpa
psi
kg/cm2
≥30.0
≥4350
47.47
6941
6372.75
28Days Mpa
psi
kg/cm2
≥42.5
≥5162.5
50.03
7254.35
510.306
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