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. (C3S+C2S﹥77%, C3A≈8%, C4AF≈12%) Freeze proof,abrasion resistance, low slump constant.

Description:

Ordinary portland cement 42.5, 42.5R

Standard:  GB175-2007, JC/T452-2009,GB/T19001-2008 IDT, ISO9001:2008

Features:

High strength, high steady, high quality, lowfluctuate

High purity limestone  material, with advancedPyro-Rapid pre-calcine, pre-heating technology.

By advanced X-ray fluorescence analyzer, we can getingredient quickly and make ingredient steady.

Dry method equipment imported from Germany KHD,make clinker aggregate excellent quality.(C3S+C2S﹥77%, C3A≈8%,C4AF≈12%)

Freeze proof, abrasion resistance, low slumpconstant.

Attention:

Store carefully, avoid moisture.

Not mix with different type cement together.

Select cement type and grade as real condition

Application range:

For important structure high strength concrete andprestressed concrete project, like as bridge, wharf, road, airport,high rise building and other large concrete construction works, andalso for ordinary industrial and civil constructionengineering.

Packaging:

50kg per bag,  40 bags into a 2MT jumbo bag; or as yourrequirements

Ordinary portland cement 42.5, 42.5R analysis report

Portland cement                                        42.5                       42.5R

Items                          Units     National     Internal       National      Internal

Sample size                     Kg          /                6.0               /             6.0

SO3                               %        ≤3.5            2.44              ≤3.5         2.8

MgO                               %        ≤6.0            1.32             ≤6.0         1.4

Cl                                   %        ≤0.06        0.021             ≤0.06       0.02

Loss                               %        ≤5.0            3.74             ≤5.0         4.0

Fineness

(specific surface)            ㎡/kg     ≥300           358             ≥300        385

Standard

consistency water            %         /                28.0               /           28.0

Time     Initial  H:Min                    ≥0:45         4:50              ≥45         228

            Final   H:Min                    ≤10:00        5:45              ≤600        368

Soundness pat test                         /             past                /           past

Bending strength       3d MPa            ≥3.5       5.1              ≥4.0         6.2

       28d 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