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| Color | Grey | Feature | Sulfate Resistant | Hardening Feature | Rapid Hardening | 
|---|---|---|---|---|---|
| Heat of Hydration | Low-Heat | Main Raw Material | Silicate | Place of Origin | Vietnam | 
| Type | Cement Clinker | ||||
CLINKER LOW ALKALIS
No.  | Items  | Unit  | Specifications  | 
1  | CaO  | %  | 65.00 min  | 
2  | SiO2  | %  | 20.00 min  | 
3  | Fe2O3  | %  | 3.00 – 4.50  | 
4  | Al2O3  | %  | 4.5 – 6.50  | 
5  | MgO  | %  | 3.50 max  | 
6  | Free lime  | %  | 1.50 max  | 
7  | Insoluble residue (IR)  | %  | 1.00 max  | 
8  | SO3  | %  | 1.00 max  | 
9  | Total alkali  | %  | 0.60 max  | 
10  | LOI  | %  | 1.00 max  | 
11  | C3S  | %  | 60.00 min  | 
12  | C3A  | %  | 7.00 – 12.00  | 
CLINKER: ASTM C150 TYPE 1
No.  | Items  | Unit  | Specifications  | 
1  | CaO  | %  | 65.00 min  | 
2  | SiO2  | %  | 20.00 min  | 
3  | Fe2O3  | %  | 3.00 – 4.50  | 
4  | Al2O3  | %  | 4.5 – 6.50  | 
5  | MgO  | %  | 3.50 max  | 
6  | Free lime  | %  | 1.50 max  | 
7  | Insoluble residue (IR)  | %  | 1.00 max  | 
8  | SO3  | %  | 1.00 max  | 
9  | Total alkali  | %  | 1.00 max  | 
10  | LOI  | %  | 1.00 max  | 
11  | C3S  | %  | 60.00 min  | 
12  | C3A  | %  | 7.00 – 12.00  | 
13  | C2S  | %  | 12.00 – 21.00  | 
14  | LSF  | %  | 92.00 min  | 
15  | 5mm – 25mm  | %  | 40 min  | 
16  | 0 – 1mm  | %  | 15 max  | 
 
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