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Sunday, 22 September 2019
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Raw materials & technologies, Raw materials, Coatings pigments

Micronised black iron oxide exhibits bluish undertone

Thursday, 9 August 2012

New pigment can provide coatings, plastics, and construction materials with a deep bluish undertone. 

The micronized black iron oxide can provide coatings with a deep bluish undertone

Source: Nubiola

The micronized black iron oxide can provide coatings with a deep bluish undertone

Source: Nubiola

A bluish undertone is an appreciated characteristic in grey or black colour shades, but it is not common for iron oxides. Nubiola has recently launched "Nubifer NB-5970”, a micronised black iron oxide with a deep bluish undertone and also great tinting strength which is suitable for coatings, plastics (if processing conditions do not promote oxidation of the product) and construction, e.g. cementitious formulations. With a lower dosage than usual, real bluish grey colour shades can be obtained in all three of these applications. The new product also features good dispersibility: low fineness values can be achieved in coatings after ten minutes dispersion in a high speed disperser, and filter test values in plastics are below other products in the market.

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