portland cement price for export

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Product Description

(1)Grade:  portland cement42.5(china standard GB175-2007)


(2)Packing : 50kg PP Bag,then into 1MT,1.5MT,2MT sling bagj

                   1mt,2mt jumbo bag


(3)Quantity: 100,000mt per month


(4)Loading port: rizhao /qingdao/longkou, china


(5)Payment: by irrevocable Letter of Credit at sight or TT


(6)Shipment: within 30 days after the date of L/C .


(7)Inspection: by CIQ


Cement Specifications: Type 1 425

Chemical composition

Amount

ISIRI389

Amount

ISIRI389

Silicon dioxide %SiO2

20.5 – 21.5

---

Insotuble Residue %I.R

0.30 – 0.50

<0.75

Aluminium Oxide %AL2O3

4.2 – 5.6

---

Free Lime %Free CaO

0.80 – 1.70

---

Ferric Oxide %Fe2O

3.00 – 3.60

---

Lime Saturation Factor LSF

93.0 – 95.0

---

Calcium Oxide %CaO

64.0 – 66.50

---

Silica Module SLM

2.30 – 2.50

---

Mangnesium Oxide %MgO

1.0 – 2.7

<5.0

Alomina Moddule ALM

1.1 – 1.3

---

Sulphur Trioxide %SO3

1.5 – 2.3

<3.0

Tricalcium Silicate %C3S

56.0 – 62.0

---

Potassium Oxide %K2O

0.60 – 0.75

---

Dicalcium Silicate %C2S

14.0 – 18.0

---

Sodium Oxide %Na2O

0.45 – 0.65

---

Tricalcium Aluminate %C3A

8.05 – 8.50

---

Loss On Ignition %L.O.I

0.90 – 1.60

<3.0

Tetracalicium Aluminoferri %C4AF

9.0 – 11.0

---

Physical Test

Unit

Amount

ISIRI389

Blaine Test

(Cm2/gr)

3200 -3400

>2800

Autoclave Expansion

(%)

0.09 - 0.20

<0.8

Setting Time:

Initial

(Minute)

105 - 160

>45

Final

(Minute)

135 - 300

<360

Compressive Strength:

After 3 Days

(Kg/Cm2)

230 - 260

>100

After 28 Days

(Kg/Cm2)

420 - 440

>425

Remarks:

LSF = 100 CaO/(2.80 SiO2 + 0.65Fe2O3 + 1.18Al2O3)

C3S = 4.07 CaO - (7.6 SiO2 + 6.718 Al2O3+ 1.43 Fe2O3 + 2.852SO3)

C2S = 2.867SiO2 - 0.754C3S

C3A=2.65 Al2O3 - 1.692 Fe2O3

C4AF = 3.043 Fe2O3



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Q:what r the raw materials used to make cement?
Lime, sand and water.
Q:how is cement formed???
cement is hardened when the water evaporates and the mixture becomes very dense. In modern times there are hardening agents to help it stay rigid but look at the Adobe structures of clay and you will get a better idea.
Q:Where can I find pics of the stars who've put there feet in the Grauman's Chinese Theater cement walk?
thank you everyone for answering
Q:Cement Overlay?
if you haven't done it before you would be better off putting real tiles down i saw a program about that it wasn't an amateurs job but if you still want a go you'll need cement colouring and a type of large pattern maker for the tile shape and a whole load of cement plus you need to make sure your floor is strong enough to take the weight of all that cement
Q:Something stronger than rubber cement?
It depends on what the surfaces are, and their flatness. If it is a paper package, hot melt or Gorilla Glue. If the package is going through the mail or a courier service, put the item into the package.
Q:Is there a difference between cement and concrete?
The difference between concrete and cement is that concrete contains cement plus sand and gravel. It is the cement that binds the sand and gravel or crushed rock together to form what we call concrete. Concrete then, is more than just cement.
Q:My friend punched a cement column and...?
Hell yes, he could have bruided his hand. He could have broken his hand! If you are not trained in First Aid, don't bother, you could do more harm that good trying to treat him (and in most US States, persons not trained in First Aid that render same are liable for damages they do). If he thinks he needs medical treatment (and he very well may, depending on how HARD he hit the column. Now, could he have ruptured a major blood vessel? Unlikely, but if he is concerned, he should go either to a local clinic, or the local Hospital. Drawback is, if the two of you are minors, he'll require his parent's signature/approval for the treatment...and it likely won't be too inexpensive. Good Luck!
Q:I just got my braces on today and there and my orthodontist put a cement blob on my 2 molars?
My orthodontist put the 'cement blob' on my teeth too for the very same reasons. You'll get used to it after a couple days and will forget it's there. Unfortunately, it will remain there until you get your braces off (or so that happened in my case). It may be annoying at first, but you honestly won't know it's there anymore after awhile.
Q:Portland cement or what?
If it's a concrete or mortar mix; it is what it is. It doesn't sound as if it's only portand cement which would be almost white. If it's in a tub and not a sack, it might be something like DryLok for sealing a masonry wall. Check to see if your basement walls have a sandy texture; this may be the leftover.
Q:james hardie cement siding ?
James Hardie company makes many cement board products for the building industry, including Hardi-Plank for siding, Hardi-backer to put behind tile or stone in damp areas, etc. Their products are all excellent quality, and are worth the cost -- I use them extensively. Cement board is heavy and somewhat brittle -- buy it locally from a quality vendor (Lowes, etc) and don't worry about the few cents difference between what you heard and what you see. You're getting excellent value, and freedom from unnecessary maintenance. Rejoice.

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