PIGMENTS | BLACK AND WHITE
pigment include agricultural pipe, flowerpots and trays, and consumer goods. BolderBlack grades are currently produced at
Bolder’s first site in Missouri in the US, which has the capacity to process almost 2m end-of-life tyres (ELTs) annually. The company this year began development of a second facility at Terre Haute in Indiana, which will process up to 6.6m tyres a year once fully operational. A first European facility is also being planned for Antwerp in Belgium. End-of-life tyres are also the source material for
Above: Internal view of the Bolder
Industries plant at Maryville in the US, which produces carbon black from end-of- life tyres
process. As far back as 2016 the company co-de- veloped a black masterbatch with vehicle-part maker Soucy Techno for use in agricultural and industrial vehicle parts. Recently, the two compa- nies signed a long-term supply agreement that Bolder says signals a major achievement for recovered carbon black as a reliable and beneficial polymer additive. Consistent performance of the black alternative has been key. “We don’t have to worry about changes in carbon content, bulk density or particle size, which are key to our process and product performance,” said François Bédard, Directeur General of Soucy Techno. The companies report that Soucy’s use of BolderBlack has resulted in more than 1.5m end-of-life tyres being diverted from incineration or landfill, saving 39,000 tonnes of CO2
litres) of water, and 13m kWh of electricity. Bolder says that its in-house lab, the Bledsoe
Innovation Group, ensures that product specifica- tions are set and held to according to customer needs. It says it also has compounding capacity and expertise that can be used to assist customers in development of products containing Bolder- Black. Other plastics applications using the
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A well-cut pellet for a high quality product.
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Birla Carbon’s Continua Sustainable Carbona- ceous Material (SCM). It signed a long-term SCM supply agreement with pyrolysis technology firm CircTec (formerly Pyrolyx) in 2021. Birla also recently secured ISCC Plus certification for its plant in Italy. “This [certification] supports the principles of
environmentally, economically, and socially sustainable production, beginning with our Continua Sustainable Carbonaceous Material. It is our intention to adopt this important certification at all our manufacturing locations in the near future,” says Birla CEO John Loudermilk.
emissions, more than 117.5m gallons (445m
Matching performance End-of-life tyre pyrolysis oil is also used in produc- tion of Orion Engineered Carbon’s circular carbon black. The grade is engineered to match the performance of fossil-based specialty carbon blacks, offering the same dispersibility, high purity level, jetness and tinting strength, the company says. The black is also compliant with food contact standards and suitable for a wide range of applica- tions including packaging, automotive, pipe, film and fibre. “Current customers confirm that the new circular black is performing as well as regular specialty carbon blacks,” says Kevin Milks, Orion Marketing Manager, Polymers and Batteries. “We’re looking to partner with our customers to understand their
IMAGE: BOLDER INDUSTRIES
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