Alpha Chemicals Synthetic Black Iron Oxide Fertilizers, 1 lb with Fine Texture for Easy Mixing
Alpha Chemicals Synthetic Black Iron Oxide Fertilizers, 1 lb with Fine Texture for Easy Mixing
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Alpha Chemicals

Alpha Chemicals Synthetic Black Iron Oxide Fertilizers, 1 lb with Fine Texture for Easy Mixing

|8 ratings

Key item features

  • Chemical Composition: Composed of Fe3O4, also known as magnetite or iron (II,III) oxide, providing its distinct properties.
  • Fine Texture: Features a super fine particle size of approximately 0.30 micron, ensuring easy mixing with other substances.
  • Versatile Applications: Suitable for a wide range of uses including magnetic putty, magnetic slime, welding, and ceramic production.
  • Pigment Use: Functions effectively as a pigment, capable of adding color to materials such as clay.
  • Convenient Packaging: Supplied in a 1-lb resealable foil pouch for practical and secure storage.
  • Educational Demonstrations: Ideal for creating engaging educational demonstrations like magnetic putty or slime.
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Current price is $14.99
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Sold and shipped by Alpha Chemicals
4.76978417266187 stars out of 5, based on 139 seller reviews(4.8)
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4.4 out of 5 stars
stars8 ratings5 reviews
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  1. 5 stars75% (6)
  2. 4 stars13% (1)
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Showing 1-3 of 5 reviews

Dec 24, 2025
Cayjojo
Top Reviewer
Sold and shipped byAlpha Chemicals
5 out of 5 stars review

Verified Purchase

Great intense color!

I saw this product in a video about coloring grout.  I was able to turn my gray grout black with a small amount. It actually got a little darker than I intended. It works much better than adding paint to your mixture.

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Sep 29, 2020
Sam
5 out of 5 stars review

Verified Purchase

Quality

Works for making ferrofluid.

Helpful?3N6ZZAF632GG355495810
May 16, 2018
SlimeMia
5 out of 5 stars review

it was exactly what wee ordered and the shipping just took 1 day longer than expected, we are happy. it was for a school project my granddaughter is a slime making guru and this made it magnetic, thank you.

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