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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

--

Type-52.5

P-52.5

P-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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