Gian hàng   Nghành silicat

Xem ảnh lớn

Portland cement

Đăng ngày 26-12-2019 05:13:47 AM - 2289 Lượt xem

Giá : ~47 VND

Portland cement is made of quality material that makes it recommended for building commercial and residential building . It is also suitable for construction of pavements , Briges, roads, highways, airstrips and others

Nhãn hiệu : PORTLAND CEMENT

Đánh giá : điểm 1 2 3 4 5

Chia sẻ :
Đặt hàng :   Đặt hàng

Portland cement is made of quality material that makes it recommended for building commercial and residential building . It is also suitable for construction of pavements , Briges, roads, highways, airstrips and others 

 CEMENT STANDARD

 1.Vietnam standard (TCVN)

- Quality of Cement as per TCVN 6260 - 2009

2. European standards (EN)

- Certificate I -EN 197-1.2000- CEM II 42,5 R

- Certificate II - En 197-1.2000 CEM II 42,5N

- Certificate III - EN 197-1.2000 CEM I 42,5R

 3. American standards (ASTM)

- ASTM C150 TYPE-1

- ASTM C1157 TYPE- GU

- ASTM C1157 TYPE- HE

Items

CHARACTERISTICS

Units

SPECIFICATION LIMIT

TEST RESULT

TEST METHODS

ASTM C150-TYPE I

1

SiO2 

%

22 max

20.26

ASTMC114

2

Al2O3 

%

-

5.16

3

Fe2O3 

%

-

3.18

4

CaO

%

60 min

63.28

5

MgO

%

6 max

1.05

6

SO3

%

3 max

2.55

7

Loss on Ignition, (LOI)

%

3 max

2.71

8

Insoluble Residue

%

0.75 max

0.69

9

Chloride conten

%

-

10

Total Alkali Na2Ot®= Na2O + 0.658 K2O

%

0.75 max

0.55

11

C3S

%

A

 

BY
CALCULATED

12

C2S

%

A

 

13

C3A

%

A

 

14

C4AF

%

A

 

15

Specific surface or Blaine

cm2/g

3200 min

3537

ASTM C204

16

Retained content on sieve 45mm 

%

A

 

ASTM C430

17

Setting time

 

 

 

 

18

- Initial Setting Time

Minute

45 min

125

ASTMC191

19

- Final Setting Time

Minute

375 max

185

20

Heat of hydration:

 

 

 

 

21

 7 Days

KJ/kg

A

 

ASTM C 186

22

28 Days

KJ/kg

A

 

ASTM C 186

23

Mass density

g/cm

A

 

ASTM C 188

24

Sulfate resistance, 14 days expansion

%

A

 

ASTM C 452

25

Air content of mortar

%

≤ 12.0

 

ASTM C 185

26

Autoclave expansion

%

< 0.80

 

ASTM C 151

27

Compressive strength

 

 

 

 

28

- 3 days

MPa

12 min

16.8

ASTMC109

29

- 7 days

19 min

25.3

30

- 28 days

28 min

37.2

31

Fineness

 

 

 

 

32

Retained content on sieve 0.09mm

%

3 max

0.12

ASTM C430

33

Chloride content

%

0.1 max

0.04

ASTMC114

34

CaO free

%

1.5 max

0.65

ASTMC114

 

SPECIFICATIONS FOR ORIDINARY PORTLAND CEMENT AS PER EN 197-1:2011/CEM I 42.5

 

 

 

 

 

 

 

 

Items

CHARACTERISTICS

Units

SPECIFICATION LIMIT

TEST RESULT

TEST METHODS

 
 

1

SiO2 

%

≤ 26.00

23.41

EN 196-2

 

2

Al2O3 

%

≤ 6.50

5.5

 

3

Fe2O3 

%

≤ 4.50

3.6

 

4

CaO

%

≥ 54.00

57

 

5

MgO

%

≤ 5.00

2.75

 

6

SO3

%

≤ 3.5

2.56

 

7

Loss on Ignition, (LOI)

%

≤ 10.00

7.00

 

8

Insoluble Residue

%

≤ 12.00

6.00

 

 

Physical and Mechanical Properties

 

 

Finess test

 

 

 

 

 

1

  Blaine

cm2/g

≥  3200

3800

EN 196-6

 

2

Retained content on sieve 75mm

%

< 15.0

0.1

 

 

Time of setting

 

 

 

 

 

1

Initial set

Minutes

  ≥  75

145

EN 196-3

 

2

Final set

Minutes

< 420

200

 

3

Soundness (LeChatelier)

mm

< 10.0

1.0

EN 196-3

 

 

Compressive strength

 

 

 

 

 

1

2 Days

MPa

≥ 20.0

23.0

EN 196-1

 

2

3 Days

MPa

 

27.0

 

3

7 Days

MPa

 

37.0

 

4

28 Days

MPa

≥  42.5

50.0

 

Note :     

  1.  Quantity ; 300,000 – 450,000 tons/mouth ( For 1st shipment )
  2. Payment terms : Payment of 10% as deposit within 2 workig days after confirming order. The rest of payment by LC irrevocable at sight.
  3.  Loading port : Hon gai port, Quang Ninh, Vietnam. Load rate : 5000 MT/day with big vessel has 4 ship’s cranes x25 SWL

Contact Us : 0084-0386040000

Email : vtechmart@gmail.com

 

Số ký tự được gõ là 250

Sản phẩm cùng loại

 

Giỏ hàng

Sản phẩm VIP

Sản phẩm hot