| Model: | 92.5 |
|---|---|
| Brand: | Polar Bear |
| Origin: | Made In China |
| Category: | Construction & Decoration / Cement & Precast Component |
| Label: | cement , cement clinker , csa clinker |
| Price: |
¥1550
/ mt
|
| Min. Order: | 20 mt |
| Live Chat: | Last Online:31 Jul, 2017 |
CSA cement clinker (calcium sulphoaluminate cement)
Also called csa binder,calcium sulphoaluminate cement,csa clinker. There are three types,72.5,82.5,92.5 ect.
The compressive strength can reach 50mpa in 1 day, designed grade in 7 days. setting time with 180 min, demolding time for only 6 hours.
Principal component：
C= Ca O A=Al2O3 S=SiO2 F=Fe2O3 S= SO3
- Principal mineral phase: calcium sulphoaluminate C4 A3 S
- Secondary phases: C2S, C4AF
Keywords：cement， csa cement， csa clinker， csa cement clinker， cement clinker
Chemical Analysis
The chemical analysis of CSA cement clinker has been determined according to the following:
GB/T 176-1996 Methods of chemical analysis for cement
Main constituents (%)
|
|
SiO2 |
Al2O3 |
Fe2O3 |
CaO |
MgO |
TiO2 |
SO3 |
|
Usual range |
4.5~6.5 |
36~39 |
1.0~2.0 |
39~41 |
1.5~2.0 |
1.0~1.5 |
9~11 |
|
Specification limit |
＜7.0 |
＞35 |
＜2.5 |
39~42 |
＜2.5 |
＜1.8 |
9~12 |
Fineness
Specific Surface Area: according to standard GB/T 8074-1987
Usual range: 360~430 m2/kg
Specification limit: >360 m2/kg
Hydraulic Properties
The characteristics of CSA cement clinker have been tested in accordance with the Chinese standards.
Mortar according to JC933-2003
|
|
Initial Set |
Final Set |
|
Specification limit |
>25 minutes |
<180 minutes |
|
Item |
Type 1 |
Type 2 |
Type3 |
|
|
Bending Strength(Mpa) |
1d |
>8.0 |
>7.0 |
>6.0 |
|
3d |
>10.0 |
>9.0 |
>8.0 |
|
|
7d |
>11.0 |
>10.0 |
>9.0 |
|
|
Compressive strength (Mpa) |
1d |
>60.0 |
>50.0 |
>50.0 |
|
3d |
>85.0 |
>75.0 |
>65.0 |
|
|
7d |
>95.0 |
>85.0 |
>75.0 |
|
|
Setting time |
Initial |
>25min |
||
|
Final |
<300min |
|||
This information is given for reference only.
