Hankook Tire has collaborated with YASE, a leather shoe brand, to launch eco-friendly shoes made of recycled tyres, displaying the tyre maker’s commitment to sustainability.

The project ZERO – LEAVE NOTHING BEHIND aims to create a cross-industry collaboration by using the common raw material – rubber – to form a sustainable product through the upcycling of old tyres. Hankook chose footwear as the collaboration item reminding that both tyres and shoes share common traits of playing a crucial role in mobility and touching the ground daily. 

The initiative also ensures that the packaging stuff, such as shoeboxes, tags and pamphlets, are made of 100 percent sugarcane material, adding to the environment-conscious efforts. 

Jimmy Kwon, Vice President of Hankook Tire’s Brand Lab, said, “We are happy to announce the collaboration which leads to mutually inspired progressive innovation for both companies. It’s thrilling that we can help customers choose footwear that will contribute to making the world a greener place. It’s also great to see our tyres that have reached the end of their lives turning into outsoles of footwear to take people to where they want with much comfort like they did on vehicles. Shoes made of our old tyres will not only make a positive social impact but also will be hard-wearing and robust as our tyres are developed with high-quality materials and cutting-edge technologies.”

The collaboration will unveil four dress shoes, which includes Chelsea boots, square toe Chelsea boots, Derby shoes and square toe Derby shoes, and one comfort insole. Additionally, running shoes will become part of the lineup in October. (TT)

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Japan's Kuraray Co Ltd reported a 42 percent plunge in first-half operating profit as its rubber and speciality chemicals business grappled with weakened European demand and inventory valuation losses, prompting the company to slash its full-year earnings forecast.

The Okayama-based manufacturer, known for its synthetic rubber and speciality polymers used in automotive and industrial applications, posted operating income of 26.3 billion yen for the six months ended June 30, down from 45.5 billion yen a year earlier.

Net sales slipped 2.7 percent to 400.0 billion yen, with the company's flagship vinyl acetate segment - which includes rubber-related products - bearing the brunt of the downturn as volumes declined across key markets.

"Sales volume did not increase as much as expected due to the European economic stagnation and other factors, and overall segment income decreased due to the negative impact of inventory valuation differences and higher raw material and fuel prices," the company said in its earnings statement.

The vinyl acetate division, Kuraray's largest revenue contributor, saw operating income tumble 31.9 percent to 29.9 billion yen despite maintaining sales of 202.9 billion yen. The segment includes the company's EVAL barrier resins used in food packaging and automotive fuel tanks, as well as polyvinyl alcohol (PVOH) resins with rubber-like properties for industrial applications.

Kuraray's isoprene chemicals and elastomers business, which produces synthetic rubber compounds, showed signs of recovery with operating losses narrowing to 1.3 billion yen from 4.0 billion yen a year earlier. Sales volumes increased as demand remained firm, particularly in Europe and the United States, whilst operations at the company's Thai manufacturing base stabilised.

However, the broader economic malaise weighed heavily on performance. Rising natural gas costs in the US and Europe - key raw materials for rubber production - further squeezed margins. US natural gas prices averaged USD 3.69 per MMBtu compared with USD 2.21 a year earlier, whilst European gas costs climbed to 41 euros per MWh from 30 euros.

The disappointing first-half results prompted Kuraray to revise down its full-year operating income forecast to 75.0 billion yen from an earlier projection of 90.0 billion yen, though it maintained its annual dividend at 54 yen per share.

Chief Financial Officer Hitoshi Kawamura highlighted inventory valuation differences as a significant drag on earnings, particularly affecting the company's rubber and polymer segments, where raw material price volatility has been pronounced.

Looking ahead, Kuraray expects second-half performance to improve, with operating income projected at 48.7 billion yen compared with 26.3 billion yen in the first half. The company is banking on a gradual recovery in European demand and the benefits of recent capacity optimisations.

The firm is also pursuing strategic shifts in its portfolio, including plans to expand its optical-use PVOH film production line and the acquisition of US-based Nelumbo Inc, whilst discontinuing production of certain acrylic polymers and polyester-related products.

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French biotech firm expands into industrial fabrics market through enzymatic PET recycling technology

French biotechnology company CARBIOS has signed a multi-year commercial agreement with Thailand's Indorama Ventures to supply recycled materials for tyre manufacturing, marking the firm's expansion into the industrial fabrics sector.

Under the deal, CARBIOS will provide biorecycled monomers from its planned Longlaville industrial plant to Indorama Ventures, the world's largest polyester producer. The Thai company will transform these materials into recycled polyethylene terephthalate (r-PET) filaments for use in tyre reinforcement by French tyre manufacturer Michelin.

The partnership represents CARBIOS's entry into a new market segment beyond its existing focus on cosmetic packaging applications. The company uses proprietary enzymatic recycling technology to break down complex PET waste into high-quality recycled materials.

"This commercial agreement with Indorama Ventures marks a new step in the realisation of our industrial project," said Vincent Kamel, chief executive of CARBIOS. "It confirms the trust of Indorama Ventures and Michelin in our PET biorecycling technology."

The deal comes weeks after CARBIOS signed its first sales contracts for biorecycled PET with two unnamed global cosmetics companies, as the firm builds momentum ahead of the commercial launch of its Longlaville facility.

Michelin, which has committed to using 100 percent renewable and recycled materials by 2050, said the partnership advances its circular economy objectives.

"This partnership is a tangible expression of our commitment to turning complex waste into high-performance materials," said Fabien Gaboriaud, director of circularity and renewable & recycled materials at Michelin Group. "By integrating enzymatically recycled r-PET into our tyres, we are marking a new milestone on our journey toward achieving 100 percent renewable and recycled materials by 2050."

Indorama Ventures, which generated $15.4 billion in revenue last year, said the alliance underscores its commitment to circular economy principles. The company employs approximately 25,000 people across manufacturing operations in Europe, Africa, the Americas, and Asia Pacific.

"This alliance with both, CARBIOS and Michelin, underlines our commitment to plan ahead and take a leading role in shifting the industry towards circularity," said Renato Boaventura, global market head mobility at Indorama Ventures.

CARBIOS, founded in 2011, has developed enzyme-based biological processes to break down plastics as part of efforts to prevent plastic pollution and accelerate the transition to a circular economy. The company operates an industrial demonstration plant for biorecycling that has been operational since 2021.

Construction of what the company describes as the world's first biorecycling plant is expected to resume in the second half of 2025, subject to securing additional funding.

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Cabot Corporation has launched LITX 95F, a high-performance conductive carbon additive designed for lithium-ion batteries in energy storage systems (ESS). Optimised for residential, commercial and industrial ESS applications, this advanced material enhances conductivity, extends cycle life and improves processability – critical for systems requiring durability under frequent charging and discharging.

With the global ESS market expanding due to renewable energy adoption and demand for grid stability, battery manufacturers need cost-effective, high-performance solutions. LITX 95F meets these needs by boosting energy density and cycle life while maintaining stability. Pouch cell tests with thick electrodes confirm its superior capacity retention, offering manufacturers greater flexibility in ESS design.

The material’s high-structure morphology strengthens conductivity and stability over repeated cycles. Additionally, its compatibility with thick cathode designs helps lower material costs without sacrificing performance. This innovation supports the growing ESS sector by enabling more efficient, reliable and scalable battery solutions.

Jeff Zhu, Executive Vice President and President, Carbon & Silica Technologies, Battery Materials and Asia Pacific Region, said, “As the global energy landscape continues to evolve, the ESS market requires advanced materials that deliver both performance and efficiency. Our new LITX 95F product is a direct response to the needs of the market and our battery customers – leveraging our deep industry expertise with proven performance to help scale ESS applications faster and more efficiently. This launch reflects our commitment to enabling a more sustainable future by delivering innovative solutions for battery technologies that support the energy transition at a global scale.”

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The Association of Natural Rubber Producing Countries (ANRPC) has released its Monthly NR Statistical Report for June 2025, providing an overview of key developments in the global natural rubber sector. The latest data indicates a sustained downward price trend, primarily driven by improving supply conditions in major producing nations, elevated stockpiles at key ports and ongoing trade policy uncertainties.

Market analysts attribute the bearish sentiment to a combination of factors, including increased output from leading rubber-producing countries and subdued industrial demand, particularly from tyre manufacturers. These conditions have contributed to mounting pressure on prices, with limited signs of immediate recovery. The ANRPC notes that while production levels remain stable, cautious demand projections persist due to broader macroeconomic concerns, including potential trade disruptions and slowing global economic growth.

Projections for 2025 suggest a modest 0.5 percent increase in worldwide natural rubber production compared to the previous year. Meanwhile, consumption is anticipated to grow by 1.3 percent, reflecting a slight but uneven recovery across key markets. However, analysts warn that external factors, such as shifting US tariff policies and weaker-than-expected industrial activity, could further dampen demand growth in the coming months.

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