Cement
Cement
Gold Carp Brand Portland Cement
1.Primary Constituents
Gold Carp Brand Portland Cement is mainly made up of pulverized Portland cement clinker, 0～5% of limestone or granulated blast-furnace slag, auxiliary materials and a right amount of gypsum.
2.Product Grade
52.5 Portland Cement
3.Properties and Uses
With the characteristics of stable quality, rapid setting and hardening, higher early and final strength, shorter curing cycle, good workability, fine frost and wear resistance, Gold Carp Brand Portland Cement is applicable to various kinds of overground or underground civil or military engineerings, high-strength concrete batching and precast prestressed concrete products, etc.
4.Main technical Parameters
Item | Unit | Technical Requirements | Test Result | |||
Macau Cement Standard (idt EN 197-1:2000) | National Cement Standard GB 175-2007 | |||||
Strength Grade | -- | TypeⅠ-52.5 | PⅠ-52.5 | PⅡ-52.5 | ||
Fineness | m2/kg | -- | ≥300 | 330 | ||
Setting Time | Initial | min | ≥45 | ≥45 | 130 | |
Final | min | -- | ≤390 | 190 | ||
Soundness | mm | ≤10 | Qualified | 0.5 | ||
Compressive Strength | 2 days | MPa | ≥20 | -- | 22.6 | |
3 days | MPa | -- | ≥23 | 31.2 | ||
28 days | MPa | ≥52.5 | ≥52.5 | 60.4 | ||
Loss on Ignition | ％ | ≤5.0 | ≤3.0 | ≤3.5 | 1.06 | |
Insolubles | ％ | ≤5.0 | ≤0.75 | ≤1.5 | 0.65 | |
SO3 | ％ | ≤4.0 | ≤3.5 | 2.58 | ||
MgO | ％ | -- | ≤5.0 | 1.84 | ||
Alkali Content | ％ | -- | ≤0.60(Optional Parameter) | 0.46 | ||
Chloride Ion Content | ％ | ≤0.10 | ≤0.06 | 0.01 | ||
Gold Carp Brand Portland Pulverized-fuel Ash Cement
1.Primary Constituents
Gold Carp Brand Portland Pulverized-fuel Ash Cement is mainly made up of pulverized Portland cement clinker, 20～35% of fly ash and a small quantity of gypsum.
2.Product Grade
42.5 Portland Pulverized-fuel Ash Cement
3.Properties and Uses
Gold Carp Brand Portland Pulverized-fuel Ash Cement is characteristic of low hydration heat, good workability, little bleeding and shrinkage, excellent corrosion resistance, effective restraint of alkali-aggregate reaction, significant increase of long-term strength, etc, it is adaptable to uses in all kinds of civil or military engineerings, mass concrete and underground construction.
4.Main technical Parameters
Item | Unit | Technical Requirements | Test Result | |||
Macau Cement Standard | European Cement Standard | National Cement Standard GB 175-2007 | ||||
(idt EN 197-1:2000) | ||||||
Strength Grade | -- | TypeⅡ/V-42.5 | CEM II/B-V 42.5N | P.F42.5 | ||
Fineness | m2/kg | -- | 80μm Residue (≤10.0%) | 310 | ||
Setting Time | Initial | min | ≥45 | ≥45 | 160 | |
Final | min | -- | ≤600 | 250 | ||
Soundness | mm | ≤10 | Qualified | 0.5 | ||
Compressive Strength | 2 days | MPa | ≥10 | -- | 16.5 | |
3 days | MPa | -- | ≥15 | 20.2 | ||
28 days | MPa | ≥42.5 ≤62.5 | ≥42.5 | 51.6 | ||
SO3 | ％ | ≤3.5 | ≤3.5 | 1.90 | ||
MgO | ％ | -- | ≤6.0 | 1.76 | ||
Alkali Content | ％ | -- | ≤0.60(Optional Parameter) | 0.50 | ||
Chloride Ion Content | ％ | ≤0.10 | ≤0.06 | 0.01 | ||
Gold Carp Brand Composite Portland Cement
1.Primary Constituents
Gold Carp Brand Composite Portland Cement is mainly made up of pulverized Portland cement clinker, 40～50% of pulverized-fuel ash and limestone and a moderate amount of gypsum.
2.Product Grade
32.5 Composite Portland Cement
3.Properties and Uses
Showing the features of low hydration heat, good workability, little bleeding and shrinkage, excellent corrosion resistance, etc, Gold Carp Brand Composite Portland Cement is available for low-strength-requirement industrial or civil buildings and can be widely applied to brick laying, marble sticking and ceramic tile fixing.
4.Main technical Parameters
Item | Unit | Technical Requirements | Test Result | |
National Cement Standard GB 175-2007 | ||||
Strength Grade | -- | P.C32.5 | ||
Fineness | ％ | 80μm Residue (≤10.0%) | 0.73 | |
Setting Time | Initial | min | ≥45 | 185 |
Final | min | ≤600 | 260 | |
Soundness | -- | Qualified | Qualified | |
Flexural Strength | 3 days | MPa | ≥2.5 | 3.5 |
28 days | MPa | ≥5.5 | 7.0 | |
Compressive Strength | 3 days | MPa | ≥10.0 | 14.9 |
28 days | MPa | ≥32.5 | 35.5 | |
SO3 | ％ | ≤3.5 | 1.94 | |
MgO | ％ | ≤6.0 | 1.71 | |
Alkali Content | ％ | ≤0.60(Optional Parameter) | 0.52 | |
Chloride Ion Content | ％ | ≤0.06 | 0.01 | |
Blend Content | ％ | 20-50 | 45 | |
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