The new headquarters of the Group, which has a history of 165 years of steady growth, serves the business units HF TireTech Group and HF ToolTech Group.

The designing of the new office is tuned to the needs of the Group’s forward march. Direct access from the office facilities to the assembly hall and machine testing area brings all fields of work close together and ensures optimised communication. The established and well proven production unit in Belišće, Croatia remains. Continuous investments in logistics, painting, warehousing and machining under highest economic aspects guarantee state of the art manufacturing.

Back on track

The COVID 19 pandemic and the global lockdown that came with it saw HF being tested hard for its resilience and the capability to help its partners put their production process back on track through its engineering and other services.

“For HF, partnership means to support its valued customers with benefits that will help to keep their production back on track,” says HF TireTech Group Managing Director Dr. Joern Seevers.

HF´s benefits & services for the tyre production are many:

• Technical support for restarting the HF Curing Presses

• Inspection and readjustment of mechanical settings

• Inspection of safety-related components

• Performance check and functional analysis of hydraulic/pneumatic systems

• Software check-up and functionality test

• Close coordination and supply of spare parts

• Individual training for technicians and service people for a smooth and efficient production ramp-up; trainings can take place on customers site or in Hamburg at the Group’s testing press. Virtual support is also available

Dr. Seevers said: “Together with our customers we analyse production processes, optimise, adjust to changed situations, look behind the production and develop new strategies to achieve more flexibility, increase quality, reduce costs and raw material - get into action with a higher level in automation and smart retrofitting and be ready for sustainable tyre production.”

Tandem Mixer technology:

HF takes it to the next level

HF Mixing Group is supplying Tandem Mixers for more than 15 years and has kicked off a revolution in mixing since then. The concept appears to be simple, but all those years of experience have shown that the highest degree of machine engineering has to be combined with extensive process know how to make a Tandem Mixer successful. And a mixing line is only successful if the calculated output and productivity is achieved – combined with a reliability which enables stable production for years.

As matter of fact to develop the process to mix on a Tandem Mixer takes some time and efforts – not to forget the technological know-how of the mixing process itself. HF offers the possibility to accompany this development by offering extensive trials and engineering studies – to shorten the time from ordering a machine up to the point of running in full production.

The goal of a Tandem Mixer is to reduce the specific cost of mixing a compound – on many occasions, HF has proven that overall cost reductions of 15% can be achieved compared to standard lines with a single mixer. This, in between other, is achieved by reducing the mixing steps for a PCR compound from 2,5 to 1,5 steps.

But productivity is not the only driving factor to invest in a Tandem Line – the quality of the compound overall and specifically constant and repeatable mixing of modern compounds is to be ensured. To optimise dispersion, distribution, temperature control and process stability makes a significant difference in today’s production of more complex compound recipes. The intermeshing mixers produced by HF and used in a Tandem Line guarantee to meet these requirements more than any other mixers on the market.

Experiences have shown that no compromise on quality can be made – and HF is supporting this approach with delivering a control system for Tandem Lines which enables their customers to not only run the machine efficiently but also uses online condition monitoring to always reflect on a reliable compound quality which is repeatable.

HF emphasises on result driven production concepts for its customers – further innovations in terms of integrating industry 4.0 solutions to the mixing process are on its way and the focus is clear: Intelligent machines will integrate new digital solutions into the mixing process and will ensure to meet the expectations of the future.

Brownfield projects

The COVID pandemic put a stronger focus on replacing existing machines instead of adding new capacities to a production plant. Also, productivity as well as sustainability aspects are driving many tyre companies to have a closer look to the installed base.

But inspecting a mixing line which has run for more than 15 years (or sometimes even 25 years) brings to light what challenges may come up if this line will be replaced by a new one. Output values need to be increased, a new mixer technology should improve the quality of compounds, modern automation solutions should support the daily production procedures and increase process stability – many more requirements should be met. One of the largest challenges is limited space when looking at an upgrade of machinery.

Not only the pure space but also intralogistics within a mixing line can create headache – from upstream equipment feeding a mixer all the way to downstream machinery processing the batch further – many modern solutions can be used today but looking at the available space installing them is the challenge.

With a clear focus on such brownfield projects, HF has managed several conversions from old to new with unmatched success. A key in such projects is the planning and pre-engineering process. Starting with an inspection of not only the mixer but all surrounding factors in the building – considering also the material flow – and then continuing with a 3D- scan of the existing equipment including pipe and cabling routing the basis for planning can be laid. Supported by this 3D-scan HF engineers plan and design with 3D models the complete mixing mill room.

By keeping the existing machinery as the base layer and inserting new equipment in an over-lay collisions of steel constructions, limitations in space and optimised pipe and cable routing can be identified. Furthermore, an improved process flow chart is the basis of planning material flow, work processes and even manpower to operate the new mixing line. Finally, new controls and automation solutions – on the basis of industry 4.0 – will improve operating and monitoring the equipment.

One of the largest benefits using HF’s Pre-Engineering is shortening the planning and execution time – and last but not least the reduction of financial funds is possible by starting up the new line much quicker compared to the conversion of lines in earlier years.

Safety first

Supporting all major tyre manufacturers with mixing technology HF constantly strives for improving operational procedures in the mixing mill room. When it came apparent that the variety of compounds increased more and more – driven by many more types and technologies in tyres today – the changeover times from one recipe to the other was put in the focus of operational optimisation. Not only flexible automation solutions are required but also quick availability of the mechanical equipment after the last batch of the current recipe was dispatched. In between other HF identified the cleaning of the mixing chamber as a critical action during changeover in two aspects: First it needs to be safe for the maintenance personal to enter the mixing chamber and secondly time can be saved if the access to the chamber can be optimized.

In order to meet both requirements HF’s engineers designed a maintenance box, the so-called mBox©, which is mechanically integrated directly underneath the mixer – combining the mixer with the chute of a dump extruder for example.

In the moment the mixing line is switched to cleaning mode and all movements of parts are blocked a moveable platform – the floor of the maintenance box – is inserted horizontally underneath the mixer. A door of the box can be opened, and maintenance personnel can enter the box safe and secure, standing underneath the mixer with easy access to the mixing chamber.

Besides the safe working environment customers from HF have noticed saving time and having the opportunity of even inspecting the mixing chamber easier and more frequent during a changeover.

Especially in new installations of a mixing line the mBox© can be integrated in the design of the line easily and right from the start – benefitting the safety and operation of the line daily.

HF Screw Presses

The production of screw presses is one of HF`s core competences for decades. The screw press has gained recognition during its affiliation with KRUPP. Thus, the presses operate all over the world and more than 2.500 presses are installed in various industries for example the edible oil industry, biomass technology and rendering. And, most interesting for the tyre industry, the presses accomplish benchmarking results in the dewatering of natural and synthetic caoutchouc. As a more efficient and space saving solution instead of band dryer systems or similar the screw press has its strong eligibility in dewatering process.

HF Curemaster

HF brought the first hydraulic column type curing press to the tyre industry in 1997. Since then, it continued to develop this product to meet the demanding requirements of its customers.

The HF Curemaster was launched two years ago and since then the patented truck tyre curing press has been successfully installed in multiple locations and in efficient operation. The press provides a flexible and compact footprint, making it possible to replace older presses with potentially more presses per existing trench.

The HF Curemaster also focuses on optimising energy efficiency to ensure the lowest total cost of ownership in the curing plant. The HF Curemaster´s hood design incorporates insulation inside the hood to provides the best insulation effect. In addition, the HF Curemaster provides an extremely fast cycle time to minimise the overall amount of heat loss during the open and close sequence of the press.

HF PCR Design

Delivering for a new greenfield plant is relatively straightforward. However, HF understands the important need of the replacement market as well. It is important to be flexible to meet all the varying trench layouts (pit, shelf, pitless, and so on). Equally important is the need to be able to replace existing 42” – 45” old mechanical presses with 48” – 52” modern presses in order to meet the growing demand for larger tyre sizes.

All replacement projects are analysed carefully together with customers. Attention is paid closely to all details related to operation, maintenance access, mould & bladder change requirements as well as all local safety regulations. HF´s long experience with curing presses provides a large variety of modular options to be used for finding the optimised fit for each specific request.

HF Stack Passenger Car Inflator (PCI)

The requirement for post cured tyres continues to grow in the market and HF has designed a simple and compact solution that can be incorporated in all HF presses as well as behind most all existing older presses.

The patented HF Stack PCI design allows for the PCI to be integrated into even the tightest footprints. This solution eliminates any movement or rotations of the PCI body itself and greatly reduces the amount of moving mechanical components and maintenance.

HF Digitalisation

HF recognises the important trend of digitalisation for the tyre manufacturers and has developed reliable, customised software solutions for machine data communication between machine control and customer IT systems. The main steps were to focus on MES, SCADA and Recipe Management interfaces.

HF Smart Curing enables customers to get started quickly and effectively with a future-oriented digitisation solution. The main advantage in this case is that software for machine data acquisition is supplied directly by the supplier and not by IT service providers.

OPC server technology and efficient network solutions are tailored to the machine enable secure data acquisition. This software can provide feedback in regard to condition monitoring, diagnostic function, machine services, energy monitoring and remote service.

The benefit of connecting your equipment with digitalised solutions clearly accelerates a target-oriented development and improves the Total Cost of Ownership of the equipment.

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ZC Rubber, in collaboration with its UK distributor City 1st Tyres, introduced its newest WESTLAKE off-the-road tyre portfolio at Hillhead 2026. The event, recognised as the largest exhibition for the quarrying, construction and recycling sectors within UK, served as the primary venue for this product showcase.

The three-day exhibition attracted approximately 600 exhibitors and nearly 20,000 attendees, creating a significant hub for industry professionals to evaluate cutting-edge equipment and technological advancements for challenging off-road environments. The collaborative exhibit drew considerable interest from original equipment manufacturer users, service providers and clientele representing UK, Ireland and broader European markets.

Attendees directed their focus towards ZC Rubber’s heavy-duty solutions engineered for rigid and articulated dump trucks, wheeled loaders and excavators, telescopic loaders,and quarry-specific vehicles. The company presented five distinct tyre models under the WESTLAKE brand, each tailored for specific operational demands. The CB745 L5 for wheeled loaders features a non-directional tread and robust carcass to boost load capacity and resist punctures, while the CB785 E4 for rigid dump trucks incorporates deep treads, reinforced sidewalls and high-tensile steel for stability and cut protection.

Additional models included the CB792 E3/L3, designed with a multi-edged block for superior traction on soft, muddy terrain, and the CB740 E4/L4 for articulated dump trucks, which boasts a tread depth exceeding standard specifications to enhance grip and durability. The CB763 E4, specifically developed for 60-tonne articulated trucks, offers exceptional flotation and wear resistance through its deep tread and unique compound formulation. This strategic participation at Hillhead 2026 reaffirmed ZC Rubber’s dedication to the global OTR market, supporting heavy industries with durable products engineered for extreme working conditions.

John Ruddy, European OTR Tyre Sales Director of ZC Rubber, said, “Selecting the right OTR tyre is essential for improving equipment productivity and reducing downtime. Through our WESTLAKE OTR product portfolio, we are committed to providing application-specific tyre solutions that help customers improve efficiency, durability and overall operating value.”

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Eurogrip Tyres, a prominent two- and three-wheeler tyre brand under TVS Srichakra Ltd., recently orchestrated a strategic trade engagement initiative in Mumbai. The event served as a platform to underscore the brand’s distinct European engineering heritage and to showcase its newly introduced, Europe-inspired product lineup, reinforcing its commitment to advanced mobility solutions.

Silvio Montanari, the Head of Design and R&D based in Milan, steered the session, offering a comprehensive overview of the company's foundational product development strategies. He elaborated on emerging tyre technologies and the robust engineering frameworks that underpin Eurogrip’s international portfolio while also updating trade partners on the pivotal innovations poised to define future tyre generations and address shifting rider demographics.

Concurrently, Eurogrip is executing an aggressive expansion of its distribution and retail footprint nationwide. This growth strategy ensures that its diverse range, encompassing radial, adventure, touring and commuter tyres, is now readily accessible to consumers across every region of India, thereby solidifying its market presence.

T K Ravi, Chief Operating Officer (COO), Eurogrip Tyres, said, "Today, Eurogrip is recognised globally as a specialist in 2‑wheeler tyres, and our premium range has found strong acceptance among biking communities in India and abroad. It is a privilege to bring our Milan team to India to demonstrate the engineering and technology behind our products. This engagement gives our trade partners the technical insights and market updates they need to better serve customers and riders, and they pave the way for a wider roll‑out of our Europe‑benchmarked products in India.”

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Cabot Corporation has officially released its 2026 Sustainability Report, which details the company’s environmental, social and governance performance throughout the 2025 calendar year. The document serves as a comprehensive account of the organisation’s measurable outcomes, culminating in the final assessment of its previous five-year sustainability strategy.

By the conclusion of 2025, the speciality chemicals firm had successfully achieved 14 of its 15 original sustainability targets established in 2020. Eleven of these objectives were completed ahead of the projected timeline, effectively fulfilling the company’s ambition to embed sustainable practices more deeply into its operational framework and corporate systems.

Looking forward, Cabot has transitioned to its newly established 2030 Sustainability Goals, which concentrate on six priority areas deemed most significant to its business model. Early progress includes a collaborative effort with the International Carbon Black Association to create a standardised lifecycle assessment methodology for furnace carbon black. The company intends to develop a certified internal tool for tracking product carbon footprints across its entire portfolio. Additionally, an initiative at the Franklin, Louisiana, facility has converted synthetic gypsum into a cement ingredient, slashing site landfill waste by 87 percent and contributing to a 70 percent global reduction in non-hazardous waste disposal.

The 2026 report has been prepared in alignment with the Global Reporting Initiative Standards and supports Cabot’s ongoing participation in the United Nations Global Compact. These disclosures mark a significant step in the company's continuing journey toward greater transparency and industrial responsibility.

Sean Keohane, President and CEO, said, “Sustainability is embedded in how we operate and underpins our purpose of creating materials that improve daily life and enable a more sustainable future. I am immensely proud of the unwavering commitment of our teams across the globe as we close out our 2025 Sustainability Goals while making headway on our next key priorities, delivering meaningful impact today and for future generations. As we advance in our efforts, we remain focused on strengthening the integration between our sustainability agenda and our Creating for Tomorrow strategy, ensuring sustainability remains a catalyst for value creation and differentiation.”

Jennifer Chittick, Senior Vice President, Safety, Health and Environment (SH&E) and Government Affairs, and Chief Sustainability Officer, said, “As we conclude our 2025 Sustainability Goals, we are entering the next chapter of our sustainability journey with momentum and clear direction. Building on our strong foundation of safety, innovation and operational excellence, we are making measurable progress towards our targeted 2030 Sustainability Goals through initiatives that reduce our environmental footprint and strengthen our overall impact across our value chain. Through collaboration, process optimisation and strategic investments in technology, I am confident that we will continue to advance our commitments and deliver long-term results for our stakeholders worldwide.”

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Tegeta Green Planet, in collaboration with Shine Energy, spearheaded an environmental education initiative at Lampari School-Lyceum on 8 May 2026. The programme targeted seventh through ninth-grade students, focusing on the interconnected themes of sustainable development, transportation and energy consumption under the theme ‘A Sustainable Future: Environment, Transportation and Energy’.

The session moved beyond traditional lectures, employing interactive presentations and hands-on activities to engage the young audience. Core topics covered included resource efficiency, waste management strategies and the significance of renewable energy sources, alongside an exploration of individual environmental responsibility. A significant portion of the discussion was dedicated to the Extended Producer Responsibility system, clarifying its mechanisms and vital function in safeguarding the environment.

The event’s interactive nature was underscored by a series of educational games and team challenges that saw enthusiastic participation from the students. To mark their involvement and completion of the programme, each participant received certificates and symbolic gifts, recognising their engagement with the material.

Established in 2022, Tegeta Green Planet stands as a pioneering authorised organisation in Georgia, operating under the Ministry of Environmental Protection and Agriculture’s EPR framework. The entity manages the complete lifecycle of used tyres, oils and batteries, adhering to circular economy principles. This school visit forms part of an ongoing series of educational meetings designed to cultivate an environmentally conscious generation and instil a culture of stewardship, which both organisations consider essential for long-term ecological sustainability.

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