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The history of Zinc Ferrites

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The History of Zinc Ferrites

The first patents of Zinc Ferrites as a pigment appeared in the United States in 1955 but it wasn’t until 20 years later when new manufacturing patents were registered for yellow ferrites where these yellow pigments were initially labeled as “Tans” for their reddish-ochre shade.

Certain Zinc Ferrites were introduced as anti-corrosive pigments in the 80s to replace zinc chromates, but with little success.

Although they have been on the market for over half a century, these pigments are still considered a relatively new product, since they are gaining widespread use in high performance applications with polymers that require high grade pigments.

The inorganic nature of Zinc Ferrite together with its excellent heat fastness makes it the ideal pigment for use in plastics or in applications where Yellow Iron Oxides fail due to their limited heat resistance.

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