Being specialized in export of all types of Chinese cement and clinker , we have superiority to offer you the lowest price in this line and supply P. O 42.5 & 42.5R and 52.5 & 52.5R ( GB175-1999), P.I 42.5R ( GB175-1999 equivalent to BS12-1996) and P.II 42.5R (GB 175-1999), ASTM C150 Type I and clinker of any kind ![...]

ASTM C150 TYPE I CHEMICAL COMPOSITION Silicon Diox ide (SiO2) >20 Aluminium Oxide (Al2O3) <6.8 Ferric Oxide (Fe2O3) <6 Calcium Oxide (CaO) <66 Magnesium Oxide (MgO%) <6 Sulphur Trioxide (SO3),<3.0 Loss Of Ignition (LOI) < 3.0 Insoluble Residue % <1.3 Tricalcium Silicate (C3S%) <60 Dicalcium Silicate (C2S%) <25 Tricalcium Aluminate (C3A%) <8 Tricalcium Alumino Ferrice (C4AF%) <12 PHYSICAL AND MECHANICAL PROPERTIES Blain CM2/GR 3.250 Autoclave[...]

(OPC) ORDINARY PORTLAND CEMENT（CHINESE STANDARD:GB175-1999） 项目 P.O42.5R(STANDARD:GB175-1999) 工厂指标FACTORY Standard P.O42.5R(STANDARD:GB175-1999) actual data MgO ≤5.0% ≤3.0% SO3 ≤3.5% ≤3.0% Loss on Ignition ≤5.0% ≤4.5% Fineness ≤10.0% ≤8.0% Initial Setting Time >0:45 h:min >0:60h:min Final Setting[...]

PO52.5ORDINARY PORTLAND CEMENT（CHINESE STANDARD:GB175-1999） 项目 CHINESE STANDARD 工厂FACTORY Standard P.O52.5(STANDARD:GB175-1999) actual data MgO ≤5.0% 3.0% SO3 ≤3.5% 3.0% Loss on Ignition ≤5.0% 4.5% Fineness ≤10.0% 2.0% Initial Setting Time >45min 60:min Final Setting Time ≤600:min 240min Bending Strength 3 days >5.0[...]