COLOUR | PIGMENTS
Coloured PCR wins packaging award
The challenges of using post-consumer recycled (PCR) plastics in new packaging require innovation from various players in the value chain, including colour suppliers. Feddersen Group and its partners, including masterbatch supplier AF-Colour, recently received a German Packaging Award in the “Sustainability – Use of Recyclates” category for its approach to a container made from 50% PCR polyeth- ylene and 50% high-density polyethylene. The PCR material used in the container came from recycled beverage cartons. The recyclate was
coloured with AF-Colour PCR masterbatches in blue, black, and silver.
requirements also vary, and some films have multiple layers with different colours on each side. For example, silver or white can be used in the layer facing up and black in the layer facing down. “[Silver/white] reflects radiation to prevent the
overheating of seedlings, plants and fruit, enhanc- es photosynthesis and repels pests; and the black colour prevents the penetration of light and reduces the germination of weeds,” the company explained. “A yellow colouring (ME201154, free of heavy metals), as well as silver (ME955376), repels insects and thus prevents and delays the transmis- sion of viruses.”
Silver can be a particular challenge because it can accelerate polymer degradation. Tosaf recom- mends a unique UV stabiliser formula for silver- coloured multilayer films that takes this effect into account.
Cool pigments Delta Tecnic developed masterbatches of cool pigments that reduce thermal stress and expand the useful life of plastics. The company said its solutions are not limited to light shades but can allow use of vibrant colours without reducing thermal stability. In outdoor plastic products such as window profiles, high surface temperatures can cause deformation and loss of mechanical proper- ties. The cool pigments can reduce thermal increase in sun-exposed plastics by up to 30%, the company reported.
22 COMPOUNDING WORLD | September 2025
The company has also launched innovative masterbatches for cable insulation that can reduce the amount of masterbatch used without affecting the colour. A higher pigment concentration without affecting dispersion can cut the masterbatch use from 2% to 1%, on average. “We are helping the industry take a step forward in terms of efficiency, sustainability and profitability,” said Andreu Carol, CEO of Delta Tecnic.
New dye formulations Epolin sees a growing use of dyes in plastic compounds: for light management, to alter colour, transmission, or other light properties; in filtering of environmental interference (eg sensors and LEDs); and in eye safety applications, which are growing globally. New products from Epolin include formulations for colour and contrast enhancement of optical lenses, a pelleted PC masterbatch for arc flash safety applications, and new welding dye formulations that meet the upcoming ISO 16321 welding standards. Ampacet’s new Kaleidoscope masterbatch collection uses solvent dyes and is a palette of transparent colours: Twilight Prism, Fuchsia Dream, Azure Veil, Transforming Teal, Evergreen Echo, Vivid Volt, Neon Nectar and Sunset Splash. The colours are compatible with polystyrene and polycarbon- ate for applications in housewares, consumer electronics, toys, appliances, and lighting, for example.
“By layering these vivid, translucent colours, designers can add unparalleled depth and visual excitement to a wide range of consumer products,” said Mercedes Landazuri, Ampacet Market Insight Manager. The company recently launched a Digital Design
Library that allows designers to integrate Ampa- cet’s colours and effects in a 3D rendering pro- gram. The digital replicas are available in multiple resins and accurately portray the material’s inherent reflective properties, the company said.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.grafe.com �
www.sudarshan.com �
www.shepherdcolour.com �
https://eurocolour.org �
http://mosaiccolor.com �
https://chromacolours.com �
www.tosaf.com �
https://deltatecnic.com �
https://epolin.com �
www.ampacet.com �
https://feddersen.group/en
www.compoundingworld.com
IMAGE: AF-COLOUR
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