Yokohama Rubber has reported new findings from an international research programme aimed at combating leaf fall disease, a fungal infection that has disrupted natural rubber production in Indonesia, the world’s second-largest supplier.

The results were presented on 9 December at the fifth Joint Coordinating Committee Meeting held at Universitas Indonesia. The initiative, formally titled “Development of Complex Technologies for Prevention and Control of Rubber Tree Leaf Fall Diseases”, forms part of the Science and Technology Research Partnership for Sustainable Development, a scheme run by the Japan Science and Technology Agency and the Japan International Cooperation Agency with support from Japan’s foreign and education ministries.

The project brings together Japanese industry, government and academic institutions, including the national research agency RIKEN, with Indonesian partners. Its objective is to maintain output from smallholders, who account for more than 90 per cent of Indonesia’s natural rubber production. The programme is pursuing several approaches: pesticide-based disease control; the development of disease-resistant clones; and early detection using satellite and drone imagery.

Yokohama Rubber, which uses natural rubber as a principal raw material for tyres, has been involved since the project’s launch in 2020. The company began assessing pesticide effects on rubber quality in 2024, following a screening process. Field tests on large plantations have shown that correctly applied pesticides do not impair the properties of raw or vulcanised rubber. Yokohama Rubber is now contributing to research on how such treatments may affect smallholders.

The group said its “Procurement Policy for Sustainable Natural Rubber” incorporates support for participants across the supply chain, including small-scale farmers. It expects its role in the project to aid the sustainable production of natural rubber and help stabilise smallholder incomes. Yokohama Rubber is also an official partner in a separate SATREPS initiative on using rubber seeds to develop environmentally focused products intended to mitigate global warming and plastic pollution.

Under its sustainability theme, “Caring for the Future”, the company has emphasised links between its commercial activities and broader environmental and social objectives.

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Kraton Corporation, a leading global producer of speciality polymers and high-value bio-based chemicals derived from pine wood pulping co-products, a global price increase for all polymer products with effect from 1 April 2026. The price hike will range from USD 440 per MT to USD 700 per MT, or as individual contract terms permit, with the exact price change varying according to the polymer type and production location.

The driving forces behind these significant pricing actions are multifaceted, rooted in substantial disruptions to global supply chains. These disruptions are largely attributed to the ongoing conflict in the Middle East, which has had a cascading effect on logistics. Compounding this issue are the sharply rising costs associated with transportation and essential raw materials.

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German specialty chemicals company LANXESS has announced a global price increase for its portfolio of functional additives for the manufacture of tyres and speciality rubbers. These changes, which are set to take effect immediately or as soon as individual contract terms permit, will see prices rise by 15 to 50 percent.

The driving forces behind these significant pricing actions are multifaceted, rooted in substantial disruptions to global supply chains. These disruptions are largely attributed to the ongoing geopolitical conflict, which has had a cascading effect on logistics. Compounding this issue are the sharply rising costs associated with transportation and essential raw materials.

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Orion S.A., a global speciality chemicals company, has announced a global price increase for its portfolio of speciality carbon black. These changes, which are set to take effect immediately or as soon as individual contract terms permit, will see prices rise by up to 25 percent.

In a strategic move to address persistent market volatility, the company is also implementing a variable surcharge on top of the base price increase. The driving forces behind these significant pricing actions are multifaceted, rooted in substantial disruptions to global supply chains. These disruptions are largely attributed to the ongoing conflict in the Middle East, which has had a cascading effect on logistics. Compounding this issue are the sharply rising costs associated with transportation and essential raw materials.

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German chemical group WACKER has announced a price hike across its global polymers portfolio, responding directly to significant upheavals in international commodity markets triggered by the recent military conflict in the Middle East. This geopolitical instability has created pronounced distortions throughout the supply chain, leading to a sharp escalation in the costs of essential inputs. The company is experiencing substantially higher prices for crude oil and natural gas as well as for various other raw materials and logistics services.

To address this challenging economic landscape and offset the considerable burden of increased raw material and transportation expenses, the chemical group is implementing price adjustments effective 1 April 2026. The updated pricing will apply to several key product categories, specifically including polymer dispersions, a variety of resins and dispersible polymer powders. This strategic move is essential for the company to maintain operational stability and continue delivering its products reliably amidst the volatile market conditions.

The final scale of these price increases is not a fixed, across-the-board figure but will be determined by specific variables. It will largely depend on the original source of the product, with goods manufactured at the company’s European and Asian production sites being most affected. Furthermore, the terms outlined in existing customer contracts will also play a crucial role in defining the exact extent of the adjustment, ensuring a tailored approach to the implementation of this necessary price correction.

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