42.5R Cement - P.MH42.5

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Place of Origin: China (Mainland)Brand Name: BFFXModel Number: P.MH42.5Feature: Acid-Proof,Anti-Algae,Decorative,Expansive,Radiation-Resistant,Refractory,Sulfate Resistant
Main Raw Material: SilicateType: Silicate Cement / Portland CementHeat of Hydration: Moderate HeatStrength Grade(Mpa): 42.5R
Bending Strength: ≥7.5MpaCompressive Strength: ≥43.5MpaCement Fineness: ≥250Content of Sulfur Trioxide: ≤3.2
Magnesia Content: ≤5.0Ignition Loss: ≤3.0  
42.5R Cement
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Moderate heat portland cement 42.5
Index of control quality
Item TestGBYF
Fineness(m2/kg)≥250≥250
Setting Time(min)Initial≥60≥60
Final≤720≤400
Soundnesspasspass
MgO%≤5.0≤5.0
SO3%≤3.5≤3.2
LOSS%≤3.0≤3.0
Na2Oequ%/≤0.6
C3A%≤6.0≤5.0
C3S%≤55≤55
f-CaO%≤1.0≤1.0
kj/kg heat of hydration3 Days≤251≤243
7Days≤293≤285
Bending Strength(MPa)3 Days≥3.0≥4.0
7Days≥4.5≥5.0
28Days≥6.5≥7.5
Compression Strength(MPa)3Days≥12.0≥13.0
7Days≥22.0≥23.0
28Days≥42.5≥43.5
Performance: The hydration heat is low, the air shrinkage is small, the corrosion resistance ability is strong, anti- frozen, the rate of strength development is stable.
Applicable scope: The cement is widely suitable for the request hydration heat low dam and the mass concrete project. Also may replace the Portland cement to apply in the industry and the civil construction.
Packaging Detail:1) Container: 50kg/bag 2) Bulk vessel: In Ton bags
Delivery Detail:Within 30 days after receiving the workable L/C or T/T

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