Superfine Cement
Interduction:
Ultra-fine cement is a new generation of inorganic rigid ultra-fine material which is finely ground by special equipment. It can be used for reinforcing and strengthening engineering infusion work by using superfine cement and adding other admixtures and mixing materials.
product unit dmfc-600 dmfc -800 dmfc -1200
appearance grey powder grey powder grey powder
odor none none none
toxic none none none
specific gravity kgdm3 ~3 ~3 ~3
specific surface area m2kg ≧600 ≧800 ≧1200
grain size d50 µm <6.75 <4.38 <3.21
grain size d90 µm <16.31 <9.68 <7.55
grain size d95 µm <22.97 <12.86 <10.51
setting times
(measured by vicat needle) initial set min 60 120 60-120
final set min 120 150 120-150
compressive strength 3 d mpa 25 25 25
7 d mpa 45 45 45
28 d mpa 60 60 60.

1:Superfine cement can be used together with other admixtures and auxiliaries. The stirred slurry has no shrinkage when solidified. It has high stone strength, good durability, no aging and good impermeability.
2:The ultrafine cement material has a specific surface area of 600 m 2 /kg (800 m 2 /kg) or more, and an average particle diameter of 10 μm or less, so that the slurry fluidity is good, and thus the stability and the potability thereof are high.
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