• Highest quality for Portland cement of TYPE IL System 1
  • Highest quality for Portland cement of TYPE IL System 2
Highest quality for Portland cement of TYPE IL

Highest quality for Portland cement of TYPE IL

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
500000 m.t./month

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PORTLAND CEMENT


Portland cement is the most common type of cement in general use around the world, used as a basic ingredient of concrete, mortar, stucco, and most non-specialty grout.

It is a fine powder produced by heating materials in a kiln to form what is called clinker, grinding the clinker, and adding small amounts of other materials. 

Several types of Portland cement are available with the most common being called ordinary Portland cement (OPC) which is grey in color, but a white Portland cement is also available.

Application

CNBM Cement can be used for all types of architectural or structural concrete construction. Such application as pre-cast panels and systems, cast-in-place, masonry units, tilt-up panel systems, roofing tiles, terrazzo floors, highway median barriers, tile grout, swimming pools, stucco, culture stone,colored masonry products, cement paints and coatings, and ornamental precast concrete items.


CNBM INTERNATIONAL CORPORATION (short for the Company) is a subsidiary of China National Building Material Group Co., Ltd. (short of CNBM Group). China National Building Material Group is a state owned enterprise under directly management of the State-owned Assets Supervision and Administration Commission of the State Council, and ranked 187 in the world's top 500 in 2019. China National Building Materials Group is the world's largest comprehensive building materials industry group, the world's leading new material developer and comprehensive service provider, and has the strongest scientific research strength in the field of building materials and non-metal new materials. CNBM INTERNATIONAL CORPORATION is a brand-new platform built by China National Building Materials Group that focuses on non-metallic materials trading.

Q:Are you a trading company or manufacturer?

A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.

 

Q:I have some special requirement about specifications.

A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.

 

Q:Do you accept OEM service?

A:Yes, we do.

 

Q:What is your delivery time?

A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.

 

Q:What is the payment term?

A:TT and LC are both Okay.

 

Q:Can I have my own logo on the product?

A:Sure, we can apply your own logo on the products according to your drawings.



Q:Why don't they just cConcrete anywhere that they have to Cement?
concrete will crack even when you joint it or cut it...its just that if you joint it correctly the cracks will take place in the joint and be less visable.. ncrete is just cement with stone aggregate added for economy...
Q:I need to mix 25 pounds of cement for a garden project ( a large stepping stone). In the past I have found it really difficult and physically tough to get the cement mixed relatively quickly to get the cement poured in the mold. I am mixing in a mop bucket. Does anyone have any suggestions to make this project easier?
I usually find for small castings it works ok to start with water in the bucket, then add half a bag of concrete until it is thick enough. It's easier to add more mix to harden than more water too soften. How much water? The worry is you will add too much water to start with and not have enough dry mix to get a thick enough mix. Start by setting aside the max allowable amount of water. The instructions from quickrete say to start with 3 pints for a 40 lb bag, then add up to 1.5 more pints if unworkable. There is a chart for other bag sizes in the first link below. So if you start with 2.5 pints of water in the bucket and 2 pints of water set aside for contingency, then add the dry premix until happy it should be right around 25 lbs. But don't worry about being in a big hurry, the bag says one hour working time.
Q:or can i just start laying it directly on top of the cement floor?
You can lay it directly on the concrete. Be sure that the concrete is flat-no peaks or valleys. That will allow the tile to sit securely and not crack. Hope this helps.
Q:If I were to use it for a ton of paper and chipboard like material - would it bind paper well and stick? Or is there another glue that's stronger?
How Strong Is Rubber Cement
Q:include social, environment and economical factors
social: Not always the most attractive looking material. Some concretes and cements create a gloomy and depressing atmosphere. Environmental: Concrete and cement release green house gases. Concrete/cement footpaths over up natural soils and leave less room for trees to be planted and less natural earth for insects to live in. Economic: Expensive to remove and dump. In some cases, some cement foundations are so deep they are impossible to remove, meaning the land they're on cannot be used for much else, decreasing the land resources in the economy
Q:The different meaning of Cement Clinker and Clinker?
Clinker is ground (usually with the addition of a little calcium sulfate) to become Portland cement. It may also to be interground with other active ingredients to produce: blastfurnace slag cement pozzolanic cement silica fume cement Clinker, if stored in dry conditions, can be kept for several months without appreciable loss of quality. Because of this, and because it can easily be handled by ordinary mineral handling equipment, clinker is traded internationally in large quantities. The freight cost is much lower than that for the equivalent amount of finished cement. Cement manufacturers purchasing clinker grind it as an addition to their own clinker at their cement plants. Manufacturers also ship clinker to grinding plants in areas where cement-making raw materials are not available. Happy Holidays !
Q:I want to rebuild my porch, It's relatively small.What kind of cement should I purchase.The more info. the better ;)
most hardware stores carry it...either as bags of portland cement or premixed bags of concrete...for amounts up to a cubic yard you might get by using premixed if you have enough help mixing and placing so you dont get any cold joints...for pours more than a cu. yd. you should get a truck in and eat the extra trucking charge because you will probably not be able to mix and place it fast enough...
Q:how many bags of 94lb portland cement make a cu yd using a 3:2:1 gravel:sand:cement ratio?
94 Lb Portland Cement
Q:Is there any standard formula to calculate the 1 cubic meter cement for each mix?
Cement quantity of nominal mix 1:2:4 for 1 cubic meter is 6.36 begs. ( 50 kgs / beg) based on 18 begs / 100 cubic feet. how to calculate it for mix 1:3:6? Assumptions: Loose Cement 1440 Kg/ cubic meter Loose Sand 1525 Kg /cubic meter aggregate avarage 1500 Kg / cubic meter 7 cubic meters of loose mix will give 5 cubic meters of solid concrete. 1:3:6, 1 cubic meter of cement + 3 c.m. of sand + 6 c.m. of aggregate will give 10 cubic meters of loose material. when mixed in a mixture will give 10 x ( 5/7) = 7.143 cubic meters of solid containing 1440 Kg of cement. So 1 cubic meter will have 1440 / 7.143 = 201.59 Kg of cement 201.59 / 50 = 4.03 begs/ cubic meters of 1:3:6 mix
Q:Technical question here. I know they can make marine cement by, essentially, bubbling CO2 through sufficiently basic ocean water and letting insoluble calcium and magnesium carbonates form. I don't know the details further than that, but it's something like that. One problem is that, in order to negate the acidifying effects of the CO2, they have to add a base.I know that at least some desert soils (maybe most of them) are fairly alkaline, and contain a lot of calcium and magnesium and such. So could you meaningfully take a bunch of desert soil, put it in water, then bubble CO2 through it to make marine cement? Or would there be a simpler (or at least less water-intensive) method to collect the calcium and magnesium carbonate from desert soils for use as cement? Or is there some other broad aspect or angle of the problem that I'm missing?
Caliche is a hardened desert soil (rock) that is typically near the surface. I would think that you would end up digging a lot of desert to get much carbonates. There would be a large amount of heavy equipment use, lots of dust, and lots of lost habitat. Typically cement is produced by exposures of limestone that are ground down and converted to cement. I would think this would generally be a more economical and more environmentally friendly option. Since you apparently have a chemistry background, you may already know this, but cement is generally made by taking calcite or dolomite and heating it up to create lime / cement. This has been done since the Roman Empire. I have never heard of bubbling CO2 in calcium and magnesium carbonates. Are you suggesting that bubbling CO2 in ocean water will precipitate calcite? I think it would probably have the opposite effect and create more acidity which would tend to dissolve carbonates. Note: Ocean water is very basic. It is far from acidic and will almost certainly never become acidic. If you add a base to the desert soil, form a pile on the ocean floor, and bubble CO2 into it, you might precipitate some CO2 if the water is warm enough IMO. It would probably make more sense in most instances to simply use regular cement which is designed to form a very solid and strong structure. Carbonates will precipitate out of sea water in warm shallow water. Some of the beaches of the Bahamas are formed from precipitated carbonates called oolites.

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