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Wednesday, 21 August 2019
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Raw materials & technologies, Raw materials, Coatings pigments

Inorganic pigments to colour construction materials

Tuesday, 9 April 2013

Black pigments with a blue undertone impart attractive and enduring colour to cast-in-situ concrete, pre-cast concrete components or concrete roofing tiles.

The bridge shown on the 50 euro note was cast from 23.9 cubic meters of concrete. 240 kilograms of iron oxide pigments were used to accurately reproduce the colour of the original

Source: Lanxess AG
The bridge shown on the 50 euro note was cast from 23.9 cubic meters of concrete. 240 kilograms of iron oxide pigments were used to accurately repr...

Specialty chemicals company Lanxess remains focused on the megatrend urbanisation and presents a comprehensive range of inorganic pigments for the construction industry, some of which are two iron oxide black pigments with a blue undertone for deep, long-lasting black shades.

The high-tinting-strength products of the "Bayferrox” and "Colortherm” lines are used to impart attractive and enduring colour to construction materials such as cast-in-situ concrete, pre-cast concrete components and concrete roofing tiles and pavers. Easy to use and ecological, the products are available in the supply forms powder, compact pigment, granules and slurry. They are characterised in particular by their high lightfastness and weather stability.

Distinctive colour shade

The new powder pigment "Bayferrox TP LXS 5253” can be used universally for the coloration of construction materials. Because it has a higher tinting strength and a significantly more pronounced blue undertone, it produces a distinctive colour shade that sets it apart from standard black iron oxides. The low water-soluble salts content and low chlorine content makes the product ideally suited for use in reinforced concrete, too.

The new "Bayferrox TP LXS 5255” is a free-flowing, low-dusting iron oxide black tailored specifically for the coloration of construction materials. Supplied as granules, it offers optimal processing properties. The pigment has a higher tinting strength and a stronger blue undertone than conventional iron oxide black granules.

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