Thermal
Aluminum & non-ferrous
End-users in more than 70 countries
Calderys is the world leader in monolithic refractories for the aluminum industry.
We provide a range of solutions designed specifically for contact with aluminum to over 1,500 major OEMs and end-users in more than 70 countries on five continents.
The ALKON® brand is recognized worldwide as the benchmark for refractories in the aluminum industry: we have sold over 25,000 metric tons since 2018.
Contact your nearest Calderys expert to discuss a refractory solution tailored to your equipment and process.
OUR ALUMINUM & NON FERROUS PRODUCTS
PRODUCTS FOR PRIMARY ALUMINUM
Electrolysis, Anode Baking Furnace, Rodding shop ferrous foundry, Transfer ladles and Casthouse holding furnaces
SECONDARY ALUMINUM PRODUCTS
A full range of monolithic and brick solutions to suit your melting furnace design
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World leader in monolithic solutions for melting-holding twin chamber furnaces
INNOVATIVE PRODUCTS
Calderys is the only monolithic refractory supplier to offer a full range of monolithic technologies and applications: hydraulic b...Calderys is the only monolithic refractory supplier to offer a full range of monolithic technologies and applications: hydraulic bond, no cement, sol-gel, two-component P-bond cold setting, P-bond gun and brick solutions, and the CALDE® WIRE MIX. The Calderys product portfolio has expanded over the decades thanks to continuous innovation, allowing us to fulfil all your needs. Recent examples include ALKON® SOL CAST HT monolithic refractories and HAZAL B85 P4 phosphate bonded bricks for aluminum contact.
PRECAST SHAPES
Aluminum producers are increasingly choosing Calderys to prefabricate blocks for their aluminum furnaces. Precast shapes combine t...Aluminum producers are increasingly choosing Calderys to prefabricate blocks for their aluminum furnaces. Precast shapes combine the optimal performance of monolithics (whatever their dry-out time) with rapid installation at your site.
PRECAST SHAPES
Aluminum producers are increasingly choosing Calderys to prefabricate blocks for their aluminum furnaces. Precast shapes combine t...Aluminum producers are increasingly choosing Calderys to prefabricate blocks for their aluminum furnaces. Precast shapes combine the optimal performance of monolithics (whatever their dry-out time) with rapid installation at your site.
OUR SERVICES
Furnace Inspection
We conduct an extensive analysis of your process, equipment and working conditions tailored to the Aluminum & Non-ferrous sector to identify your needs & specific needs.
REFRACTORY SERVICES
Calderys offers a full range of services, tied in closely with our world-leading high temperature solutions product lines. We are continually upgrading our services and equipment to ensure that our products are easy and safe to use.
Material selection
Our expert engineers with a deep understanding of your local market, industrial process, and the chemical reactions in your equipment will work with you to identify the best products in terms of performance, lifetime, and cost.
PROJECT MANAGEMENT
Our end-to-end project management services offer you the peace-of-mind you need to focus on your production.
TECHNICAL SUPPORT
Calderys offers full technical support, thanks to a global network of technical experts, acting locally wherever you need it.
Your Equipments
Twin Chamber Furnace
Calderys is the world's leading provider of refractory solutions for your aluminium foundry twin chamber furnace. Our monolithic refractory range fits particularly to the complex lining design of these furnaces. Calderys solutions allow excellent metal quality and very low energy consumption.
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Dosing Furnace
Calderys is world's leading provider of refractory solutions for the dosing furnace of your aluminium foundry. Our monolithic refractory range fits perfectly to the complex lining design of these furnaces. Our solutions allow excellent metal quality and also very low energy consumption. Calderys will adapt its refractory solution to your aluminium alloys, furnace geometry and thermal insulation requirements.
In some regions, Calderys can even pick up your old equipment, revamp in our premises and deliver to you hot, ready to receive metal. Contact us to learn more about the solutions available near you and to request a specific brochure on refractories for the aluminium dosing furnace.
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Rotary Furnace
This furnace is used for melting aluminium scrap of all types (dirty scrap, borings, etc.) so the refractory solution depends a lot on the salt level of the liquid metal. Another important factor when deciding on your refractory lining is abrasion resistance of both the charge itself and of the cleaning tools.
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Runners & Treatment Box
For this Aluminium foundry area, Calderys is focused on providing you with the highest metal quality by offering refractory solutions for zero metal impurities and chemical pick-up. To avoid hydrogen pick-up, Calderys experts recommend precast (ready-shape) or in-house equipment lining using our trusted monolithic refractories for the most immediate and efficient servicing.
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Transport Ladle
Calderys will provide you with tailored recommendations on all options for transport ladle linings, including hot face coating, cold repairs, as well as in-house relinings (deliver your ladle to Calderys for the relining — highest installation efficiency), and even on-the-road ladle solutions for aluminium transport with ultra-low thermal loss. Just contact our refractory experts for our advice and for a dedicated brochure on the Aluminium transport ladle.
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Coreless Induction Furnace
The Coreless Induction Furnace, commonly known as CIF, is an effective furnace type for remelting clean scrap and processing difficult aluminium alloys (such as lithium containing alloys) as well as master alloys. Top performing refractory solutions for this equipment need to strike a balance between the speed of relining and refractory performance.
Multiple refractory installation techniques are possible: the best-known are DVM (dry vibrating mix), wet ramming mass, and precast crucible. Calderys can supply full solutions (products and services) for all CIF areas including coil grout, spout, rings, cover, and any patching repairs.
Please contact our refractory experts to request a specific brochure on Aluminium CIF.
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Secondary Holding Furnace
From a full range of castable refractories to industry-leading experts, Calderys accompanies you to select the best refractory solutions for your secondary aluminium holding furnace. Our goal is to provide peace of mind to the production team with proven quality refractory linings and high thermal insulation performance. Corrosion at the metal line from aluminium alloys and salts, mechanical erosion of the bottom hearth, metal contamination and degradation of door jambs and lintel are typical concerns Calderys will solve together with you. From fast repairs to full furnace refractory relining, contact our teams (and feel free to ask for our specific brochure on the secondary holding furnace).
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Top Charging Furnace
From monolithics to refractory expertise, Calderys is there to help you to select the best refractory solutions for your aluminium top charging melting furnace (also known as top loading furnace or round melting furnace). Our objective is to provide peace of mind to the production team with proven quality refractory linings and high thermal insulation performance. Corundum growth in walls and on burner quarls, mechanical erosion of the bottom hearth, upper ring and door surrounds, degradation of the roof are typical issues that Calderys will solve in partnership with you. From fast repairs to full furnace refractory relining, contact us (and ask your sales representative for our targeted brochure on the top charging furnace).
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Sidewell Melter
With our extended range of refractory monolithics and our teams of experts, Calderys is at your side to select the ideal refractory solutions for your aluminium sidewell melting furnace. Our goal is to provide peace of mind to the production team with proven quality refractory linings and high performing thermal insulation. Refractory corrosion in the metal line and burner walls, degradation of refractory concrete by molten salts & fluxes, mechanical erosion of the ramps and sill, metal contamination, and degradation of door jambs and lintel are typical concerns Calderys will solve together with you. From fast repairs to full furnace refractory relining, contact our experts (and don't forget to ask for our specific brochure on the sidewell melter).
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Channel Inductor Furnace
The channel inductor furnace for secondary aluminium provides an efficient way of recycling / remelting clean scrap. Calderys monolithic refractory ensures a long lifetime in the vat with excellent resistance to corrosion from aggressive alloys, while also providing good thermal insulation. Calderys experts are also focused on providing you with high mechanical strength in the bottom for resistance against falling scrap when loading the charge.
A particularly sensitive area of this furnace are the channel inductors as well as the inductor joint with the vat, so Calderys supplies a wide range of different monolithic solutions for the inductor: standard DVM (dry vibrating mix), wet ramming mass, cast, and precast solutions. There is also an "in-house service" possible with refurbishment of whole inductor at one of our Calderys sites, delivered ready to use to your plant for maximum efficiency.
Reach out to our refractory experts for full details, and to request a specific brochure on the channel inductor furnace for Aluminium.
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Reverberatory Melting Furnace
With our full portfolio of refractory castables and our expert teams, Calderys will accompany you to select the best refractory solutions for your aluminium reverberatory melting furnace. Our goal is to provide peace of mind to the production team with proven quality refractory linings and high performing thermal insulation. Corundum growth in the metal line and burner walls, mechanical erosion of the ramps and sill, metal contamination, degradation of door jambs and lintel and roof stability issues are typical concerns Calderys will solve together with you. From fast repairs to full furnace refractory relining, contact our teams (and please ask for our brochure focused on the reverberatory melting furnace).
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Casthouse Holding Furnace
With our extended range of monolithic refractory and expert teams, Calderys accompanies you to select the best refractory solutions for your casthouse aluminium holding furnace (also known as primary tank furnace). Our solutions are proven worldwide in furnaces up to 160 tonnes of capacity. Our goal is to provide peace of mind to the production team with proven quality refractory linings and high thermal insulation performance. Corrosion at the metal line from aluminium alloys and salts, mechanical erosion of the bottom hearth, metal contamination and degradation of door jambs and lintel are typical concerns Calderys will solve together with you.
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Anode Baking Furnace
Calderys is a worldwide supplier of monolithic refractory for Anode baking furnaces. The main needs we satisfy are precast shaped top blocks with caps on top of flue walls and medium- or light-weight insulating monolithics. Calderys also delivers mortars for flue walls and end-walls, as well as cold repair patching materials.
Recommendation for closed pit technology - Roof repairs:
Quick repairs of brick-lined roof section with medium weight CALDE® GUN MW STRONG LITE applied manually.
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Potcells With Metal Transfer Ladle
Calderys is a leader in supplying cost effective Silica-Alumina refractory concretes for Aluminium potcells. Main needs are for cathode bar sealings, for cathode levelling and for closing sidewall crowns. Calderys also delivers mortars for all bottom and sidewall bricks, as well as low alumina dense bricks for the safety layer below cathodes. Calderys has long-term approved products by the main potcell technology providers.
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