FreeShip- White Portland Cement For Concrete- (Contact shop to request actual ship cost for multi items)

(4)
$5.00+
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$5.00+
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Arrives from the United States
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--> For other related cement materials: <--
https://www.etsy.com/shop/NorthernWestStuff?ref=hdr_shop_menu&search_query=cement

This can be used as a direct substitute for regular "gray" portland cement. It's just been refined to remove the gray color of regular portland cement. I should say it's not quite the same, because physical properties are a little different. But there are actually many grades of the gray cement that also vary somewhat in physical properties. I didn't know this white kind existed until a few years ago, but it turns out to be not that hard to find. Home Depot carries it in 50 (?) lb bags.
There is actually a Wiki article on it (and a quote on its uses):
https://en.wikipedia.org/wiki/White_Portland_cement
"White Portland cement is used in combination with white aggregates to produce white concrete for prestige construction projects and decorative work. White concrete usually takes the form of pre-cast cladding panels, since it is not economical to use white cement for structural purposes. White Portland cement is also used in combination with inorganic pigments to produce brightly colored concretes and mortars. Ordinary cement, when used with pigments, produces colors that may be attractive, but are somewhat dull. With white cement, bright reds, yellows and greens can be readily produced. Blue concrete can also be made, at some expense. The pigments may be added at the concrete mixer. Alternatively, to guarantee repeatable color, some manufacturers supply ready-blended colored cements, using white cement as a base. The whiteness of WOPC is measured as the powdered material having a reflectance value ("L value") in excess of 85%. A particular success in the use of WOPC and added pigments is monocouche renders."

This is one of a series of listings I'm making for materials that can be used to enhance concrete and other cementitious mixes. I decided I wanted to migrate away from using polymers like epoxy, urethane, polyester, and other 'resins' for making castings. One reason was the high cost of resins and another was nuisance/safety factor of using them and inevitably the organic solvents you have to use to clean up drips and spills.
Over the years I'd already used gypsum cements as casting materials, but their physical properties (when cured) weren't always to my liking. Their surfaces are kind of 'dead' unless you add a coating, and they are brittle (low tensile strength). I'd also tried using concrete/mortar mixtures and was even more unhappy with their cured properties.
The properties I wanted from a casting material were: high hardness and tensile strength (above any existing cement), whiteness (so I could add pigment to make it any color I wanted), and a degree of translucency (about like marble). I started researching and discovered some things that led me to believe I could formulate my own casting material. Here are some of those things:
New gypsum cements that I wasn't familiar with, refractory cements I'd forgotten about, a casting system already formulated that was close to what I wanted: Forton MG, the fact that you can use elements of Forton outside the Forton MG system, new concrete types I wasn't familiar with, new concrete additives I wasn't familiar with, the concrete countertop industry, pozzolanic materials I wasn't familiar with.

I was aiming for a very specific results (some translucency, etc) and because the ingredients chosen for the particular results you're after can be very different from mine, it's impractical to go into any more detail because the interactions between ingredients are just too complex. If what you're trying to do varies by even a little from what I was trying to do, it's too difficult to predict what will work and what won't. I spent 6 months making hundreds of test mixes. I almost finished, but something else intervened and I had to put the project on hold. I haven't done anything further with this project for 5 or 6 months. What I want to do is leave you with the links I've provided to information on particular materials, so you'll have a handy means of doing the research into whichever material I'm listing yourself. And there is a wealth of sources about these materials on the internet above and beyond what I'm citing. (Please note that I have other materials in my shop which could fit into this 'cementitious mixes' category. To locate them do a shop search on "Colloidal", "Thixo", "Cab-o-sil", "Cement", "Kaolin", and "Calcium": Calcium Chloride is a cement accelerator and Calcium Sulfate Dihydrate (raw gypsum) is a pozzolan).-
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-------------------------------> COMBINED SHIPPING <----------------------------------
Shipping cost will be reduced when buying multiple items that are small & light weight. To see total cost with actual shipping, mark the items you want as favorites, then message me with a request for actual shipping of your favorited items. Or, list your items in a message, requesting ship cost. I'll send you the cost & if you approve I'll make a reserved listing.
Or, just buy the items in your cart. I will do a refund for the ship overage as soon as I see your order. (Don't want to message me? I automatically check for ship overages, & will make a refund if applicable).
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FAQs

I'm sorry, but at this time we do not ship internationally.

If you would like a smaller or larger quantity of a raw material, click the "Request a custom order" button and tell us how much you would like. Or just contact us and let us know what you'd like. We'll get back to you ASAP.

This problem usually occurs with multiple items. Where possible, we're converting to calculated shipping. We originally didn't provide it because we sell so many dissimilar items (size, weight, etc), that it would not be possible to do it accurately. If your shipping cost is high, you can do one of the following: If you see "Request a Custom Order", "Contact", or "Ask a Question" on an item's page, you may use it to request a reserved listing. You may copy and paste a list of the items in your cart, send a screen shot of your items, or simply favorite them, and request a "reserved" or "custom" order. Or you may do nothing. We will see your multiple items & will always refund excess shipping charges before shipping your items.

If you have a technical question about an item we've listed, please don't hesitate to ask. We enjoy helping people out with a material or a process. We give anecdotal information in our listings if we have any. If you disagree with it or think we're being inaccurate or misleading please let us know that, too. If there are discrepancies in any of our listings let us know, we make mistakes like everybody and we'd like to be set straight and get those mistakes corrected.

I'm sorry, but at this time we do not ship internationally.

If you would like a smaller or larger quantity of a raw material, click the "Request a custom order" button and tell us how much you would like. Or just contact us and let us know what you'd like. We'll get back to you ASAP.

This problem usually occurs with multiple items. Where possible, we're converting to calculated shipping. We originally didn't provide it because we sell so many dissimilar items (size, weight, etc), that it would not be possible to do it accurately. If your shipping cost is high, you can do one of the following: If you see "Request a Custom Order", "Contact", or "Ask a Question" on an item's page, you may use it to request a reserved listing. You may copy and paste a list of the items in your cart, send a screen shot of your items, or simply favorite them, and request a "reserved" or "custom" order. Or you may do nothing. We will see your multiple items & will always refund excess shipping charges before shipping your items.

If you have a technical question about an item we've listed, please don't hesitate to ask. We enjoy helping people out with a material or a process. We give anecdotal information in our listings if we have any. If you disagree with it or think we're being inaccurate or misleading please let us know that, too. If there are discrepancies in any of our listings let us know, we make mistakes like everybody and we'd like to be set straight and get those mistakes corrected.



Reviews
Average review
(4)
Jun 1, 2018 by laura w.
Exactly as described. Very fast shipping. Thanks!!
Apr 27, 2018 by Bren
Apr 23, 2018 by laura w.
Shipped so fast I could not believe it! Had a couple of questions for the seller about my use of the product, and they responded quickly and in depth. Very helpful, will buy again.
Jan 18, 2018 by Will Hurlbut

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