Black Iron Oxide

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Black Iron Oxide is a strong, micronized black that imparts a stronger tinting strength than many other black oxides on the market. This translates into darker charcoal colors in highly opaque bases. It is a brown under-toned black also known as Mars Black.

Compatibility list
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Product Details

Usage List

  • Acrylics
  • Alcohols
  • Calligraphy ink
  • Candle overdipping
  • Casein
  • Cements
  • Clay paints and plasters
  • Distemper
  • Egg tempera
  • Encaustic
  • Epoxy resins
  • Fabric: use in paints but not as dye
  • Flour paints
  • Fresco
  • Glazes
  • Glue paint
  • Iconography
  • Lime Coatings
  • Milk Paints
  • Oil Mediums
  • Oil paints
  • Pastels
  • Paste wax
  • Plastic resins
  • Polymer Clay
  • Resins
  • Shellac
  • Soap
  • Solvents
  • Stains
  • Swedish Paint
  • Temperas
  • Water based Mediums
  • Watercolor
  • Waxes

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Mixing Instructions

For liquid binders: Place desired amount of pigment in mixing vessel or on a palette. Add liquid slowly and work with palette knife or tool to create a smooth color paste or syrup. The liquid used may be either the binder itself or a compatible vehicle depending upon the chosen medium. To avoid flocculation, do not introduce pigments into a large volume of liquid all at once as this will cause micro clumping.

For dry binders such as plasters and cements: Pigment may be added into dry ingredients directly prior to mixing. If micro-bursting of particles appears in plasters, creating a color syrup may be necessary first.

Mixing tools: Artist mixing tools may include a palette with a palette knife, a mortar and pestle or a slab and muller. Which tool you use depends upon the amount mixed and the pigment’s need for mulling. Decorative binders may require the use of mechanical mixers to fully incorporate pigment.

Ratios: To be determined by individual binders and/or color result desired. Visit our How-To pages for in-depth recipes with suggested ratio's and detailed instructions.

What are Oxides?

Oxide pigments are man made, non-toxic colors that are the workhorses of the pigment industry. They offer purity with strong tinting strength and are useful across all mediums, from fine art to exterior applications. Oxide pigments are the best pigments to use with cements and plasters where a stronger color is desired, or where ratios are limited. Oxides are generally produced by the synthesis of two materials, creating a by-product. They can be calcined or appear in their natural color. We work to ensure that all producers of these colors are responsible both in their sourcing and manufacture, to humans and the planet.

Technical Data

Category: Oxide
Country of Origin: Germany
Composition: Iron Oxide, PB11 (77499)
Chemical Formula: Fe304
Lightfastness: Excellent
Particle size50 microns (325 Mesh)
Heat Stability: Color Stable to 300° F
Packaging: 100g: 4 oz recyclable plastic jar
500g and above: double plastic bag
Quantities over 1 kilo will be bulk packed
Notes: Use care when handling any dry pigment.
Avoid inhaling pigment dust.
Our pigments are not sold for cosmetic, pharmaceutical, tattoo ink or food use.
Since computer monitors, tablets and smartphones may differ in how they display colors, the actual pigment powders we sell may differ slightly from their product image as displayed on your device. We do not guarantee colors based on these images.

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