Specifications:

• High strength, high steady, high quality, low fluctuate High puritylimestone material, with advanced Pyro-Rapid pre-calcine,pre-heating technology. By advanced X-ray fluorescence analyzer, wecan get ingredient quickly and make ingredient steady. Dry methodequipment imported from Germany KHD, make clinker aggregateexcellent quality. Freeze proof, abrasion resistance, low slumpconstant.

Description:

Ordinary portland cement 42.5, 42.5R Standard: GB175-2007,JC/T452-2009, GB/T19001-2008 IDT, ISO9001:2008 Features: Highstrength, high steady, high quality, low fluctuate High puritylimestone material, with advanced Pyro-Rapid pre-calcine,pre-heating technology. By advanced X-ray fluorescence analyzer, wecan get ingredient quickly and make ingredient steady. Dry methodequipment imported from Germany KHD, make clinker aggregateexcellent quality. (C3S+C2S﹥77%, C3A≈8%, C4AF≈12%) Freeze proof,abrasion resistance, low slump constant. Attention: Storecarefully, avoid moisture. Not mix with different type cementtogether. Select cement type and grade as real conditionApplication range: For important structure high strength concreteand prestressed concrete project, like as bridge, wharf, road,airport, high rise building and other large concrete constructionworks, and also for ordinary industrial and civil constructionengineering. Packaging: 50kg per bag, 40 bags into a 2MT jumbo bag;or as your requirements Ordinary portland cement 42.5, 42.5Ranalysis report Portland cement 42.5 42.5R Items Units NationalInternal National Internal Sample size Kg / 6.0 / 6.0 SO3 % ≤3.52.44 ≤3.5 2.8 MgO % ≤6.0 1.32 ≤6.0 1.4 Cl % ≤0.06 0.021 ≤0.06 0.02Loss % ≤5.0 3.74 ≤5.0 4.0 Fineness (specific surface) ㎡/kg ≥300 358≥300 385 Standard consistency water % / 28.0 / 28.0 Time InitialH:Min ≥0:45 4:50 ≥45 228 Final H:Min ≤10:00 5:45 ≤600 368 Soundnesspat test / past / past Bending strength 3d MPa ≥3.5 5.1 ≥4.0 6.228d MPa ≥6.5 8.6 ≥6.5 9.2 Compressive strength 3d MPa ≥17.0 26.6≥22.0 30 28d MPa ≥42.5 50.9 ≥42.5 52.6