P.O 52.5 Grade Cement

The leading products in our company are portland cement clinker and high-grade cement. The main general cements which produced by our company are portland cement, ordinary portland cement and portland slag cement. They are divided into three grades: P.O52.5,P.O42.5,P.C32.5.

Application scope:

P.O 52.5 can make high-grade , super high-grade concrete and large span beams and so on.

 Items Units Specification Test Results  Test Method

 SiO2 % ≤ 22.0 21 EN 196-2

 Al2O3 % - 5

 Fe2O3 % - 3.1

 CaO % ≥ 60.0 61

 MgO % ≤ 5.00 2.75

 SO3 % ≤ 3.5 2.75

 K2O % - 0.45

 Na2O % - 0.15

 R2O (TOTAL ALKALI) % - 0.45

 Loss on Ignition,  (LOI) % ≤ 5.00 2.5

 Insoluble Residue % ≤ 5.00 0.55

 Chloride content % ≤ 0.10 0.02 EN 196-21

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