Standard:GB175-2007, JC/T452-2009, GB/T19001-2008 IDT, ISO9001:2008
Features:
High strength, high steady, high quality, low fluctuate
High purity limestone material, with advanced Pyro-Rapid pre-calcine, pre-heating technology.
By advanced X-ray fluorescence analyzer, we can get ingredient quickly and make ingredient steady.
Dry method equipment imported from Germany KHD, make clinker aggregate excellent quality. (C3S+C2S77%, C3A≈8%, C4AF≈12%)
Freeze proof, abrasion resistance, low slump constant.
Attention:
Store carefully, avoid moisture.
Not mix with different type cement together.
Select cement type and grade as real condition
Application range:
For high strength concrete and prefabricated parts, like as road, bridge, etc
Portland cement52.5,52.5R analysis report
Portland cement | 52.5 | 52.5R | ||||||
Items | Units | National | Internal | National | Internal | |||
SO3 | % | ≤3.5 | 2.45 | ≤3.5 | 2.31 | |||
MgO | % | ≤5.0 | 1.04 | ≤5.0 | 1.2 | |||
Cl | % | ≤0.06 | 0.021 | ≤0.06 | 0.022 | |||
Loss | % | ≤5.0 | 1.98 | ≤3.5 | 1.92 | |||
Fineness (specific surface) | m/kg | ≥300 | 385 | ≥300 | 391 | |||
Time | Initial | Min | ≥45 | 124 | ≥45 | 228 | ||
Final | Min | ≤600 | 164 | ≤600 | 368 | |||
Soundness pat test | / | past | / | past | ||||
Bending strength | 3d | MPa | ≥4.0 | 6.7 | ≥5.0 | 7.3 | ||
28d | MPa | ≥7.0 | 9.0 | ≥7.0 | 9.5 | |||
Compressive strength | 3d | MPa | ≥23.0 | 34.5 | ≥27.0 | 35.1 | ||
28d | MPa | ≥52.5 | 62.6 | ≥52.5 | 62.1 | |||
