Company description
We are a professional construction materials exporting company,  we do bussiness in this field for many years, our main exporting products have portland cement , deformed bars, steel angles, channel steel, H-beams steel, building coating, bath products, title,and other architectrual materials, with quality and good serives,  waiting for you visit!

Product Feature
(1)High strength, high steady, high quality, low fluctuate
(2)High purity limestone material, with advanced Pyro-Rapid (3)pre-calcine, pre-heating technology.
(4)By advanced X-ray fluorescence analyzer,ingredient quickly and make ingredient steady.
(5)Dry method equipment imported from Germany KHD, make clinker aggregate excellent quality. (C3S plus C2S more than 77 percent, C3A about 8percent, C4A Fabout 12 percent)
(6)Freeze proof, abrasion resistance, low slump constant.

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

Portland cement  52.5,52.5R 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)			㎡/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

Application
For high strength concrete and prefabricated parts, like as road, bridge, etc 

Attention: