$9.94
CLICK THE "LEARN MORE ABOUT THIS ITEM" LINK JUST BELOW TO READ THE FULL DESCRIPTION FOR THIS ITEM.
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PROMPT REBATE ON ORDERS WITH 3 OR MORE “FreeShip” ITEMS! WANT TO KNOW YOUR TOTAL REBATE BEFORE PURCHASE? CONTACT US!
We have 3 grades of black iron oxide: natural (magnetite) granular coarse, natural (magnetite) fine, and synthetic fine. If you're using a black iron oxide as a pigment, you'll want to know the 3 grades do vary from a speckled dark gray (the speckles are bright and reflective, probably small flakes of mica), a dark gray, and a warm black. That's in the same order as they're listed at the beginning of this paragraph.
This is a natural black iron oxide which comes from the mineral magnetite. This is a somewhat coarser grade of black than the synthetic black iron oxide. It's a grayer, warmer black than the synthetic black iron oxides because of the natural impurities. One other thing of note is the difference in density of the natural and synthetic black iron oxides. The natural is much heavier than the synthetic. Per unit weight the natural is about half the volume of the synthetic oxide.
Used for many things besides a pigment and filler. There are 3 main types, and 3 main colors (although it is found in many shades of these), black, red, and yellow.
The Wiki article on black iron oxide as a pigment is here (it's not too good):
https://en.wikipedia.org/wiki/Mars_Black_(pigment)
The Wiki article on iron oxide in general is here (it's also not too good):
https://en.wikipedia.org/wiki/Iron_oxide
The Wiki article on black iron oxide (the good one) is here (Iron (II,III) oxide = black iron oxide, Fe3O4):
https://en.wikipedia.org/wiki/Iron(II,III)_oxide
"Iron(II,III) oxide is the chemical compound with formula Fe3O4. It occurs in nature as the mineral magnetite. It is one of a number of iron oxides, the others being iron(II) oxide (FeO), which is rare, and iron(III) oxide (Fe2O3) also known as hematite. It contains both Fe2+ and Fe3+ ions and is sometimes formulated as FeO ∙ Fe2O3. This iron oxide is encountered in the laboratory as a black powder. It exhibits permanent magnetism and is ferrimagnetic, but is sometimes incorrectly described as ferromagnetic. Its most extensive use is as a black pigment which is synthesised rather than being extracted from the naturally occurring mineral as the particle size and shape can be varied by the method of production"-
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1-2 business days
I'll do my best to meet these shipping estimates, but can't guarantee them. Actual delivery time will depend on the shipping method you choose.
Buyers are responsible for any customs and import taxes that may apply. I'm not responsible for delays due to customs.
But please contact me if you have any problems with your order.
We're 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. We have free shipping on many of our items. In your cart items will have the sum of all embedded shipping costs. If you place an order for 3 or more "FreeShip" items, you will receive a "rebate" for the excess shipping. The more items you have the greater the shipping refund will be. You can also message us to ask what the total cost of your order will be when excess shipping is refunded before you purchase.
Or, if you see "Request a Custom Order" or "Message Seller", you can request a custom order and your items will be put in a custom listing with the correct shipping. You would purchase it like any other listing.
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Jul 1, 2024
Exactly what I needed. The particles are very fine.
ashlee
Mar 30, 2024
S Lopez
Mar 24, 2024
The order of fine magnetite powder was packaged very well, arrived quickly, and the seller responded promptly to the note I had on the order, answering a question. It's great that small quantities are available to experiment with for various projects! Will order from NorthernWestStuff again.
Mandie
Mar 16, 2024
SUPER FAST SHIPPING! Item arrived quickly and in good packaging. Exactly as described! Will buy from again!
Beth
Jan 29, 2024
Item very much matched my expectations
Stephanie Ochoa