CIM-I Portland cement

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Product Description:

Specification of Cement

No


Detail


result

I

Chemical test

1

Loss on Ignition

%

2.0 ÷ 4.0

2

Insoluble Residue

%

0.3 ÷ 2.5

3

SiO2

%

19.0 ÷ 22.0

4

Al2O3

%

4.0 ÷ 6.0

5

Fe2O3

%

2.5 ÷ 3.5

6

CaO

%

61.0 ÷ 67.0

7

MgO

%

1.0÷ 4.0

8

SO3

%

1.6÷ 2.2

9

Free lime

%

0.3 ÷ 1.5

10

Toltal alkali, (Max)

%

0.75

11

(C3S + C2S), (Min)

%

54.0

12

C3A, (Max)

%

2.5 ÷ 3.5

14

C4AF, (Max)

%

7 ÷ 11

15

False Set, (Min)

%

50

16

Chloride, (Min)

%

0.1

II

Physiscal test

9 ÷ 11

1

Fineness Blaine, ( Min)

cm2/g

3400

2

Soundness: Lecateller test, ( Max)

mm

5

3

Air content or mortar

%

5 ÷ 10

4

Autoclave Expansion

0.03 ¸ 0.20

5

Setting time, (Vicat test)

Initial,

Final,

min

110 ¸ 160

200 ÷ 300

6

Compressive Strength

3 days, (Min)

7 days, (Min)

28 days, (Min)

psi

2320

3480

5220



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Q:Your thoughts on Quikwall surface bonding cement.?
Quikwall Surface Bonding Cement
Q:I individual industrial and commercial households, is the general taxpayer, the scope of business is a hardware building, into the tickets are cement, out of building materials or materials can be it?
Second, the purchase and sale business is also a category of value-added tax, the main should pay attention to the contract with the customer how to agree, such as the installation can be installed separately with the equipment sales, should issue a special invoice and installation invoices, and offset the purchase of equipment input tax If it is inseparable from the Inland Revenue Department, it is determined that this act is a mixed sale or a business tax Generally, the tax department has a certain proportion to approve it For example, , Sales part of the price in the total price of a certain percentage, is 30%, 50%, 70% I do not know, because I am not this line, hehe Finally, since it has been recognized as a general taxpayer, the tax device you do not have to install or do not close the tax bureau, they are in accordance with the requirements of the general taxpayer to look at you, on the basis of the above two problems, It is not a problem
Q:what are the best roller derby wheels for cement?
it depends....is the cement painted or polished? is it usually dirty? these can make it much more slippery than it would be if it is none of these. I skate on a polished cement track which was covered in epoxy and is super slippery. I use Sugar hybrid wheels because they are super grippy. If the cement isn't polished you should probably use harder wheels.
Q:how is cement, concrete, mortar and glass made and used?
Cement is fired blue stone made into a powder. Concrete is portland cement, crushed stone, and sand. Mortar is fired limestone pulverized mixed with sand. Glass is made of silica sand, bicarbonate of soda, and fired to fuse all parts together. Cement is predominately used on stone work and the main ingredient in concrete. Concrete is for swimming pools, walls, sidewalks, patios, etc. Mortar is mostly used to lay brickwork, stucco, plaster, etc. Glass should be self-explanatory.
Q:how do you make pvc cement not dry?
I am assuming your talking about it drying in the can. If that's what happened then there is no way to bring it back. just throw it away and get a new can at the hardware store, walmart, or any lumber store. It is only a few $$
Q:RE cement-based polystyrene particles outside the wall insulation system and powder polystyrene particles external wall insulation system materials What is the difference
However, RE cement-based polystyrene particles external wall insulation system is only the above concept (powder polystyrene particles external wall insulation system) in a member, especially the use of "RE cement-based polystyrene insulation mortar" made of this material Wall insulation system
Q:Why is my Portland Cement gray?
In days gone by we could purchase white portland cement and it made a bright white slab.Today batch design has changed reducing the portland and replacing it with fly ashe.It is in some ways an inferior product but meets strength requirements.
Q:Why are all the condos made of cement in Manila?
Reinforced concrete is the best building material for any high rise building. Simple as that. Just look all over the world and see for yourself.
Q:Business license to increase the scope of business how to handle the cement
If you want to operate the cement, directly to the local industrial and commercial departments to change the registration on it, that is, in the scope of business to add a cement enamel to wear the cost of ferry to kill sales. No pre-approval is required.
Q:How do you do the seams on cement backer board?
Remember that when you tile to use 100% silicone in the corners and along the bottom edge before grouting. Let it cure a couple days. This will prevent any grout from getting into those joints. I also used red guard on the seams and joints of the backer board.

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