New process oil enhances low rolling resistance of tires

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A new high-performance process oil grade has been added to the Nynas product slate, designed to help customers tackle the challenge of reducing rolling resistance in a bid to boost vehicle fuel economy, and secure a reliable supply chain.

Nytex 846 provides all of the advantages of pure naphthenic oils, including high compatibility with polar and non-polar rubber, ease of processing, and excellent low-temperature properties. Furthermore, the product’s low color enables application in the formulation of innovative end products within the full color range.

“Nytex 846 has been developed to support the continuing challenge the tire industry faces to meet an ever-growing demand to improve fuel economy without compromising on wet grip or wear,” explained Dr Herbert Fruhmann, global marketing manager for tire and rubber oils.

Nytex 846 is produced using state-of-the-art hydrotreating technology, and its polarity is designed to ensure it performs well in conjunction with a wide range of polymers, including natural rubber (functionalized, solution, and emulsion), SBR, polybutadiene rubber, and halobutyl rubber, as well as EPDM, making it a versatile product for a range of application areas.

The new product has a viscosity within the Bright stock range and a high flashpoint for safe processing, which makes it very attractive for high-temperature curing operations in EPDM applications. Initial tests have shown good performance and high-compatibility with other components.

“The product’s glass transition temperature (Tg) is -46°C [-50.8°F]. We believe, and in-house tests have shown, that Nytex 846 can help to reduce the rolling-resistance of tires, while also improving traction at low-temperatures,” said Dr Mika Lahtinen, global technical manager for tire and rubber applications at Nynas.

Nytex 846 is designed to meet the present and foreseeable health, safety and environmental demands of legislative bodies around the globe, including all requirements on polycyclic aromatic hydrocarbons.

The product will be available worldwide through Nynas’s extensive distribution network.

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Rachel's career in journalism began around five years ago when she started working for UKi Media & Events, having recently graduated from Coventry University where she studied the subject. Her favourite aspect of the job is interviewing industry experts, including researchers, scientists, engineers and technicians, and learning more about the ground-breaking technologies and innovations that are shaping the future of the automotive and tire industries.

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