Ordinary Portland Cement, Brand Name : Yadong

We are offering ordinary portland cement
standard: gb175-2007, jct452-2009, gbt19001-2008 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.
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 important structure high strength concrete and prestressed concrete project, like as bridge, wharf, road, airport, high rise building and other large concrete construction works, and also for ordinary industrial and civil construction engineering.
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