Highest quality for Portland cement 42.5
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 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: How long should I let new cement cure before I can build on it?
- This Site Might Help You. RE: Will watering new cement help it to cure? How long should I let new cement cure before I can build on it?
- Q: how many cubic feet does 1 bag of cement make?? its a 80 lb bag...In your thoughts or in your experience.....thanks!!
- The actual cement required for concrete is affected by the choice of the maximum coarse aggregate size. As the maximum coarse aggregate size is decreased the cement content must increase to provide the required quantity of cement paste to coat all of the aggregate particles. Assume that the proportions will be made based on one part being a cubic foot (this is convenient since a 94 lb. bag of cement is 1 cubic foot of bulk material). For a 3/4 maximum coarse aggregate, the mixture would be 1 part portland cement, 2 1/2 parts sand, 2 1/2 parts coarse aggregate, and 1/2 part water. The sum of the parts is 6 ?. In general the final volume of concrete produced will be approximately 2/3 of the sum of all the volumes included in the mixture. Therefore the approximate volume of this concrete mixture is 4.3 cubic feet. If you adjust the above mixture based on a 80 lb. bag of cement, then you will produce 3.7 cu. ft. per bag approximately. If you are talking about an 80 lb. bag of ready mix (sand garvel are already mixed in the bag), then it would be 0.60 cu.ft. per bag.
- Q: I have some cement cracks and i was wondering how to fix it. any sugsetions?
- Cracks oftentimes do no longer restoration unquestionably or efficiently. the main suitable you may commonly do is seal them with caulk made for the activity (see your interior reach ironmongery shop). you may attempt to possibly escalate the cracks to a million extensive and prepare an epoxy bonding agent and a competent non-decrease grout to the crack to fill them in. however the main suitable ingredient to do to repair severe cracks is to jackhammer out the undesirable part of concrete, make optimistic the backside is compacted decrease than the section, and re-pour the concrete.
- Q: Cement is normally made of Calcium aluminate which are from Limestone and Bauxite. The active ingredients are mono-calcium aluminate (CaAl2O4) and mayenite (Ca12Al14O33).
- Strength forms by hydration to calcium aluminate hydrates. They are well-adapted for use in refractory (high-temperature resistant) concretes, e.g. for furnace linings. ===== Note the term hydraulic - it means water is required as a chemical reaction occurs where the ingredient molecules react with water to form hydrates. Notice that the ingredients contain no water molecules and no hydrogen atoms. And from another article : Cement sets when mixed with water by way of a complex series of chemical reactions still only partly understood. The different constituents slowly crystallise and the interlocking of their crystals gives cement its strength. So you will have to research various theories, I don't have any more information.
- Q: Does rubber cement float?
- Only one way to find out!
- Q: The cement sealant I will be using is a LastiSeal brand. It is waterproof, non-toxic, and eco friendly. There is a15 year warranty on it, They say it can be used with koi ponds. So I think it will work for my newly laid cement pond wall. Just one thing. I have to wait 4 weeks for new cement to cure before applying the sealer to the cement. As long as the water is not touching the wall, can I keep water in the pond during these 4 weeks if need be?
- Cement pond is what the Beverly Hillbillies called their swimming pool. :) Concrete/mortar cures in the air or underwater so it wouldn't matter if water was in the pond or if it touched the wall. However, the coating you want to use may require it to be dry. Also, the strength of the concrete is related to how well it is cured, so don't load it up w/water too soon.
- Q: I was wondering if bees can go through cement?Like a cement wall or something.I've heard they can go through wood.
- No bees in my part of the world can go through concrete, or cement or wood, wood is used to make bee hives, (for honey bees) Carpenter bees will chew a hole in some woods (mostly soft woods) I have never seen a Carpenter bee chew a hole in a live or growing tree, The wood generaly has to be cut wood like a park bench or such.
- Q: i hire a contractor to replace and removed the old siding form my house. i have seen siding install before and there is normally an woord frame or plywood that is underneat the siding. the contractor stated that is no needed. and based on that he refused to continue with the work. i then proceeded to put a stop payment on the downpayment what are my options now! can i hired someone else to do the work without bein held liable for his expenses?
- if you install cement siding you DO NOT need plywood behind it, all you need is roofing felt for a moisture barrier,the siding is attach to your studs,i finish my house and garage with hardie board siding and it looks great,you might call that contractor and apologize,good luck.
- Q: My daughter has had a 1200 sq ft pad poured. She was told to quot;keep it wetquot;. Due to her needing to leave town for two days, she has asked me to go to her house and use a sprinkler and water it 3 times per day setting the timer for 120 min each time. Is this correct for curing and how many days should this be done? Today is the 2nd day.
- yes dont soak it just sprinkle with water every day or few days
- Q: is it possible to make my pvc cement quot;normalquot; again... because now its all dry...
- You would be better off to buy some new stuff, but there is a remote possibility you can make it glue again by mixing some acetone in to it, but, but , but the acetone is more expensive than buying new pvc cement. So the moral of this story is; buy new pvc cement and get used to the idea that the stuff will dry out with some regularity. Actually eventually it all dries out even if you are careful to close the can very tight. It is a universal truth in life. I wish I had $5.00 for every can of that stuff that has gotten hard on me.
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Highest quality for Portland cement 42.5
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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