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Name: Calderys
Address: Paris, FR

Calderys

Calderys is a leading global solution provider for industries operating in high temperature conditions. Calderys - Forged in legacy. Fueled by excellence.

Calderys is a leading global provider for industries operating in high-temperature conditions. The Group specializes in thermal protection for industrial equipment with a wide range of refractory products and advanced solutions to enhance steel casting, metallurgical fluxes, and molding processes. With a presence in more than 30 countries and a strong footprint in the Americas through the brand HW

I (HarbisonWalker International), Calderys’ international network of experts ensures an end-to-end offer with tailored services. Drawing on over 150 years of experience, Calderys supports its customers in their energy transition needs. Headquartered in Paris, France, the Group counts 4,500 employees (excluding contractors), and 50 plants on five continents.

29/05/2026

Complex refractory installations demand more than standard solutions.
Calderys precast shapes are manufactured under controlled conditions to ensure precise geometry, reliable quality, and faster installation on site.
Built to withstand:
🔥 Extreme temperatures
🧪 Chemical attack
⚙️ Mechanical stress

Our precast solutions help improve lining consistency, reduce downtime, and support safer maintenance operations across multiple industries.
🧭 Explore Calderys precast solutions and applications: https://calderys.com/precast-shapes

26/05/2026

Our experts explain CALDE® MICA
“By protecting the coil and facilitating relining, CALDE® MICA helps foundries maintain safer and more efficient furnace operations.”— Gert Karlsson, Technical Director Foundry EMEA.

Learn more on: https://calderys.com/index.php/foundry/melting-solutions/calder-mica

$🔥 India’s aluminum industry is evolving fast and so are the expectations for refractory performance. | ALCircle In Alumi...$

22/05/2026

🔥 India’s aluminum industry is evolving fast and so are the expectations for refractory performance. | ALCircle
In Aluminium LeaderSpeak 2026, Thangadurai Sankaralingam from Calderys in India explains how CAPES, our plant in Odisha is strengthening support for aluminum producers across India and the APAC region through advanced refractory solutions, local manufacturing, and innovation.

Discover the full interview below on the comment section and learn more about the future of aluminum refractories.
Discover Aluminium LeaderSpeak 2026 issue: https://www.alcircle.com/emagazine/aluminium-leaderspeak-2026-1065

21/05/2026

🧱 Bricklaying one day. Casting the next. A different country the week after. That’s life as a refractory technician at Calderys. Mattias Harrysson is a Service Technician for the Foundry segment in Sweden. In this video, he talks about the variety that makes his job genuinely exciting, and about the people who helped him get good at it.

That’s exactly the spirit behind the Calderys Academy for Supervisors. Every trainee gets a personal mentor: someone who has been doing this for years and is ready to pass it on.
No refractory experience needed to apply. Just a passion for hands-on work and a willingness to learn.

🎥 Watch Mattias’s story below
🎓 Explore the program: https://calderys.com/careers/supervisor-academy

20/05/2026

📌𝗖𝗹𝗶𝗺𝗮𝘁𝗲 𝗲𝘃𝗲𝗻𝘁𝘀 𝘁𝗲𝘀𝘁 𝗺𝗼𝗿𝗲 𝘁𝗵𝗮𝗻 𝘀𝘆𝘀𝘁𝗲𝗺𝘀; 𝘁𝗵𝗲𝘆 𝘁𝗲𝘀𝘁 𝗽𝗲𝗼𝗽𝗹𝗲.
We are proud to recognize the Special ExCo Prize winner of our 2025 Sustainability Awards: the Climate Disaster Preparedness initiative from our team in Taiwan.

As climate-driven disasters grow more frequent and intense, Silvia Fan and Eva Teng recognized that when disasters can’t be avoided, being prepared makes all the difference. This initiative focused on building resilience from within, through proactive training, early prevention measures, emergency kits, and financial support mechanisms that help employees stay safe, informed, and supported.

When a typhoon struck Taiwan in 2025, their preparation made a real difference for their colleagues.

♻️Because sustainability means taking care of our people, as well as our planet.

Congratulations to the entire Taiwan team. 🇹🇼

19/05/2026

🔥 MetConnex 2026 | Jakarta International Convention Center, 12–13 May 2026

What a fantastic few days at MetConnex 2026 — Indonesia's Biggest Metallurgy & Mining Exhibition and Conference!
The Calderys Indonesia team had the privilege of being part of this landmark event, connecting with professionals from across the non-ferrous metals industry and sharing our refractory expertise with aluminum, copper, nickel, and foundry producers.
With 160 years of global experience and over 50 years of trusted presence in Indonesia through PT Indoporlen, we are proud to offer tailored solutions — from high-performance castables to custom precast shapes — that help non-ferrous operations run safer, longer, and more efficiently.

Thank you to all the industry professionals who engaged with our team. We look forward to continuing these conversations!

📧 [email protected]
🌐 Discover more about our presence in Indonesia: https://calderys.com/indonesia

18/05/2026

⚙️ Looking to enable high-speed refractory gunning?
With CALDE® MAG GUN VELOCITY, it starts at the material level.
Its multi-binder design allows:
🔥 Fast setting on hot linings
✔ Strong adhesion (>80% sticking)
📉 Reduced rebound
Result: faster application without compromising durability in BOF & EAF.
🔥 Contact our team to discuss technical details or application conditions: https://calderys.com/contact

15/05/2026

🎉 𝗔 𝗻𝗲𝘄 𝗰𝗵𝗮𝗽𝘁𝗲𝗿 𝗳𝗼𝗿 𝗖𝗮𝗹𝗱𝗲𝗿𝘆𝘀 𝗶𝗻 𝗜𝗻𝗱𝗶𝗮 — 𝘄𝗲𝗹𝗰𝗼𝗺𝗲 𝘁𝗼 𝗣𝘂𝗻𝗲!
We are thrilled to announce the opening of our new office in Pune, India, home to our Global Capability Centre (GCC).

Designed to centralize expertise, foster collaboration, and drive operational excellence, the Pune office will support the delivery of consistent, high-quality, and efficient services, enhancing our industrial and international operations worldwide. The office is also a place built for growth, innovation, and opportunities for talented professionals who want to make an impact on a global scale.
🙌 Thank you to everyone who joined hands to bring this office to life. And to the talent of Pune and India: the doors are open, and we can't wait to welcome you.

🔗 Explore opportunities: https://calderys.com/why-join-us

14/05/2026

𝗟𝗲𝘀𝘀 𝘁𝗶𝗺𝗲. 𝗟𝗲𝘀𝘀 𝗲𝗻𝗲𝗿𝗴𝘆. 𝗠𝗼𝗿𝗲 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝘃𝗶𝘁𝘆. 🔥
Meet our Top Winner in the Customer Satisfaction category of our 2025 Sustainability Awards: CALDE® FD Monolithics — a global innovation engineered by our Innovation and Technology team.

Traditional furnace commissioning can take up to 7 days, consuming significant fossil fuel during the dry-out process. Our team developed a hydraulic-bonded solution that safely accelerates moisture release, allowing furnace operators to save up to 72 hours to reach a temperature of 1,200°C, helping them save energy during their operations in aluminum furnaces, rotary kilns, and reheat furnaces.

The results: in one installation, 40% less fuel was required for dry-out, which represents a saving of 18 tons of CO2. With more than 500 tons installed across Europe and Asia Pacific in 2024 alone, CALDE® FD is delivering real climate impact at scale.

Congratulations to Uwe Klippel, Balaji Thiyagarajan, Patrick Malkmus, Stefan Kahl, Divyendu Tripathy and the entire team.

Read more about Calderys' 2025 Sustainability Awards: https://calderys.com/news-and-media/sustainability-action-celebrating-calderys-sustainability-awards-2025-winners

13/05/2026

🎉 Calderys at Metal China 2026
From May 6 to 9 in Shanghai, the Calderys China team was proud to exhibit at Metal China 2026, held during the 40th anniversary of the China Foundry Association.
The teams shared our integrated one-stop approach for the foundry industry: refractory solutions for melting applications combined with advanced molding sand additives, all designed to help foundry operators work smarter, safer, and more sustainably.
The booth was buzzing with great conversations and familiar faces. A huge thank you to everyone who stopped by!
Missed the event? Read more 👇
🌐 https://calderys.com/news-and-media/calderys-showcases-integrated-foundry-solutions-metal-china-2026

11/05/2026

💬A refractory installation is only as good as the supervisor running it.
That's why we created the for Supervisors: to make sure every supervisor we put on your site has been trained rigorously, mentored personally, and tested in real industrial environments. Safety first, quality always.
Plant operators benefit from consistent and professional supervision on every refractory project.
👉 Find out how we're raising the bar: https://calderys.com/careers/supervisor-academy

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