| Certification: | ISO9001:2000 |
| Cement Fineness: | >=250 |
| Content of Sulfur Trioxide: | <=3.2 |
| Brand Name: | YUFENG |
| Bending Strength: | >=7.5 |
| Compressive Strength: | >=43.5 |
| Ignition Loss: | <=3.0 |
| Place of Origin: | Guangxi China (Mainland) |
this cement hydration heat low, air shrinkage small,corrosion resistance ability strong, anti- frozen, rate of strength stable
Moderate heat portland cement 42.5 | |||
index of control quality | |||
Item Test | GB | YF | |
fineness | (m2/kg) | ≥250 | ≥250 |
Setting Timemin | Initial | ≥60 | ≥60 |
Final | ≤720 | ≤400 | |
Soundness | pass | pass | |
MgO% | ≤5.0 | ≤5.0 | |
SO3% | ≤3.5 | ≤3.2 | |
LOSS% | ≤3.0 | ≤3.0 | |
Na2Oequ% | / | ≤0.6 | |
C3A% | ≤6.0 | ≤5.0 | |
C3S% | ≤55 | ≤55 | |
f-CaO% | ≤1.0 | ≤1.0 | |
kj/kg heat of hydration | 3 Days | ≤251 | ≤243 |
7Days | ≤293 | ≤285 | |
Bending StrengthMPa | 3 Days | ≥3.0 | ≥4.0 |
7Days | ≥4.5 | ≥5.0 | |
28Days | ≥6.5 | ≥7.5 | |
Compression StrengthMPa | 3Days | ≥12.0 | ≥13.0 |
7Days | ≥22.0 | ≥23.0 | |
28Days | ≥42.5 | ≥43.5 | |
Performance: The hydration heat low, the air shrinkage small, the corrosion resistance ability strong, anti- frozen, the rate of strength development is stable | |||
Applicable scope: The cement is widely suitable for the request hydration heat low dam and the mass concrete project. Also may replace the Portland cement to apply in the industry and the civil construction and so on. | |||
| Business Type: | Manufacturer |
| Product/Service (We Sell): | cement,cement clinker,portland cement |
| Brands: | yufeng |
| Number of Employees: | Above 1000 People |
| Number of Production Lines: | 4 |
| Number of R&D Staff: | 21 - 30 People |
| Number of QC Staff: | 51 - 60 People |
| Management Certification: | ISO 9000/9001/9004/19011: 2000 ISO 14000/14001 Others |