AKW Group Enterprise co.,ltd

Date: 25th March 2016
P.O 42.5 Grade Cement

AKW group as a the bigest cement manufacture in china ,produce qualified cement with rich experience in this industry for 3

decades.
P.O 42.5 can be used in a variety construction projects, such as bridges, wharfs, roads, high-rise buildings, general

industrial and civil buildings. It can make different grade concrete from C30 to C80.
 Technical Index of 42.5 grade cement
 Items/ Indexes  National Standard  Internal controlled indexes 
 Cement MgO (%)  ≤ 5.0  3.8 
 Cement SO 3 (%)  ≤ 3.5  2.3 
 Cement loss on ignition (%)  ≤ 5.0  2.01 
 Cement fineness (%)  ≤ 10.0  1 
 Setting time (min)  ≥ 45  190 
 Final setting time  ≤ 600  245 
 Strength(MPa)  3-day compressive strength  ≥ 24.0  25.3
 3-day bending strength  ≥ 4.0  5.1 
 28-day compressive strength  ≥ 42.5  47.5
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