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Unsurpassed color spaces

LANXESS’s Inorganic Pigments business unit is setting the industry benchmark with a new sustainable process for manufacturing yellowish red Bayferrox® pigments.


Worldwide, a growing number of people are migrating to cities where, faced with a sea of gray, they seek to make their environment more attractive. Color is a versatile design element that plays an important role here. Inorganic pigments from LANXESS’s Bayferrox® and Colortherm® product lines have been used worldwide for decades to produce paints and coatings.


Applications range from emulsion paints for interior and exterior walls, to trade paints and universal industrial coatings.


These color pigments are based on iron and chrome oxides, substances which also occur in nature. However, the synthetic products manufactured by LANXESS’s Inorganic Pigments business unit are far superior to their natural counterparts. They offer maximum lightfastness and weather stability, high tinting strength and chemical resistance, and excellent opacity. As a result, colors remain virtually unchanged for years.


The extensive portfolio of Bayferrox® and Colortherm® iron oxide and chrome oxide pigments ranges from yellow to red, black, brown and green. Within these color ranges, customers can choose between more than 100 color gradations. Since 1926, LANXESS has manufactured over 13 million tons of iron oxide pigments in the world’s largest iron oxide production facility at its Krefeld-Uerdingen site in Germany.

Energy-efficient facility sets new environmental standards

The LANXESS product portfolio was recently extended by the addition of bright, yellowish red pigments known as the “New Reds.” They are produced using a new manufacturing method: the Ningbo Process.


This unique technology has been deployed for the first time at the new LANXESS site in Ningbo, China, where the world’s most modern iron oxide pigment production facility was built specifically to implement the Ningbo Process and came on stream in the first quarter of 2016.


Traditionally, the Penniman process has been used in China to produce iron oxide red pigments. However, this process has been demonstrated to harm the environment. LANXESS therefore developed the new Ningbo Process for the safe and environmentally friendly production of high-quality iron oxide pigments. The process combines an innovative management system with virtually total treatment of nitrogen oxides, including nitrous oxide, which is very harmful to the environment. Thanks to the state-of-the-art process management system, plant technology and heat integration concept, the energy requirement of the facility has also been reduced significantly.


Sebastian  Röhrig

Sebastian Röhrig
Head of Corporate Responsibility

Phone: +49 221 8885 1099

Fax: +49 221 8885 1769

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