Good quality

China Resources cement is reputable in the market in its high quality: high early strength, right setting, good color, long-term strength, compatible with chemical admixture in concrete production and consistent product quality. The cement quality is well above the national standard in every aspect and the cement exported to Hong Kong can meet the BS12-1989 requirements.


Huarun cement VS GB175-1999 standard
Item \variety PII52.5R PO52.5R PO42.5R PC32.5R
National standard Standard of enter-prise National standard Standard of enter-prise National standard Standard of enter-prise National standard Standard of enter-prise
Insoluble matter % ≤1.5 ≤1.0 / / / / / /
Magnesia % ≤5.0 ≤3.0 ≤5.0 ≤3.0 ≤5.0 ≤3.0 ≤5.0 ≤3.0
Sulfur trioxide % ≤3.5 ≤3.0 ≤3.5 ≤3.0 ≤3.5 ≤3.0 ≤3.5 ≤3.0
LOI% ≤3.5 ≤3.0 ≤5.0 ≤4.5 ≤5.0 ≤4.5 / /
Specific surface M2/kg >300 ≥300 / / / / / /
Alkali % / ≤0.60 / ≤0.60 / ≤0.60 / ≤0.60
80um material retained % / / ≤10.0 ≤5.0 ≤10.0 ≤5.0 ≤10.0 ≤5.0
Soundness Eligibi-lity Eligibi-lity Eligibi-lity Eligibi-lity Eligibi-lity Eligibi-lity Eligibi-lity Eligibi-lity
Initial settingMin ≥45 ≥45 ≥45 ≥45 ≥45 ≥45 ≥45 ≥45
Final settingMin ≤390 ≤270 ≤600 ≤300 ≤600 ≤300 ≤600 ≤330
Compression strengthMpa 3days ≥27.0 ≥29.0 ≥26.0 ≥28.0 ≥21.0 ≥25.0 ≥16.0 ≥18.0
28days ≥52.5 ≥56.0 ≥52.5 ≥56.0 ≥42.5 ≥46.0 ≥32.5 ≥36.0
Bending strengthMpa 3days ≥5.0 ≥5.5 ≥5.0 ≥5.0 ≥4.0 ≥5.0 ≥3.5 ≥4.0
28days ≥7.0 ≥8.0 ≥7.0 ≥8.0 ≥6.5 ≥8.0 ≥5.5 ≥6.0
  *PC32.5R cement: carry out GB12598-1999
Huarun PII52.5R cement VS BS12-1989 standard
Item BS12-1989Standard Standard of enterprise
Insoluble matter % ≤1.5 ≤1.0
Magnesia % ≤4.0 ≤3.0
Sulfur trioxide % ≤3.5(C3A>3.5%) ≤3.0
LOI % ≤3.0 ≤3.0
Alkali % / ≤0.60
Specific surface M2/kg ≥275 ≥300
Soundness mm ≤10 ≤2.0
Setting time（Min） Initial setting ≥45 ≥90
Final setting ≤600 ≤300
Bending strength of colloidal mortar（Mpa） 3days ≥25 ≥30
28days 47~67 57~66

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