India

Cement

Complete kiln system solutions
Calderys combines global cement technology with strong Make-in-India manufacturing, advanced R&D and engineering, and a nationwide service network—supporting high-capacity kilns, rising AFR substitution, and customer expectations for higher kiln run time, faster shutdowns, and real time assessment of refractory performance.

Main offerings:

• Advanced basic bricks for cement kiln (CALDE® MAG – Magnesia Spinel & Hercynite Spinel) for burning & transition zones 
• High performance AFR-resistant alumina & mullite–SiC Kiln bricks for severe alkali, Sulphur & chlorine environments ~ AC KH series. 
• Industry leading castable and gunning solutions – ACCMON and CALDEMON series (Major products ACCMON CRC, ACCMON CAR, ACCMON 70 M, CALDEMON GUN SC, CALDEMON GUN AB etc). 
• High performance shotcrete refractory series including: 
  + ACCSHOT series 
  + SUPRASHOT series - Nano-bonded (Zero CAC) shotcrete monolithic for cyclones, calciner, kiln inlet & cooler hood and TAD areas 
• CALDE ready shape - modular ready shape (Precast Pre-fired) solutions for tip casting, burner pipe, bull nose, feed pipe, kiln inlet, TAD damper areas. 
• HYSIL brand - Energy efficiency solutions offers best in class insulation systems to reduce shell temperature & heat loss 
   

Aluminum

Specialized solutions for Aluminum production
Calderys delivers high-performance refractories to the primary and secondary aluminum industries as well as the aluminum foundry industry in India. Our solutions are engineered to provide excellent resistance to molten aluminum, thermal shock, and chemical attack while ensuring metal cleanliness and safety.

Main offerings:

• Comprehensive refractory solutions for Primary Aluminum, covering potlining systems, anode baking furnaces, rodding shop furnaces, casthouses, and melting/holding furnaces. 
• Advanced potlining technologies, insulation systems, and sidewall solutions designed for extended pot life, energy efficiency, and stable electrolysis performance. 
• Specialized solutions for Secondary Aluminum, including melting and holding furnaces, rotary furnaces, and dross processing units with high resistance to flux attack and abrasion. 
• Non-wetting castables and coatings, minimizing aluminum penetration, reducing metal losses, and improving furnace availability.

Our solutions help aluminum producers achieve longer furnace campaigns, improved energy efficiency, and reduced production costs.
 

DRI

Robust solutions for Iron Ore processing

Calderys pioneered monolithic lining solution for coal-based DRI kilns, an innovation that transformed installation efficiency, lining integrity, and campaign stability over conventional brick linings. Building on this foundation, we have continuously advanced our formulations, integrating global R&D and material science expertise to meet the demands of higher throughputs, aggressive coal chemistry, and elevated shell temperatures. Today, combining global technology with strong local execution, Calderys delivers safer operations, longer campaigns, and sustainable value for the next generation of DRI and pellet plants across India.

Main offerings: 

• End-to-end refractory solutions for DRI kilns, covering engineered lining design, high-performance monolithic products, and installation best practices tailored to coal-based DRI operations. 
• Proven product portfolio including next generation castables (e.g., ACCMON DRI MAX Series, ACCMON ULTRA Series etc) designed for high abrasion, thermal shock resistance, and extended campaign life. 
   

Petrochemicals, Boilers & Incinerators

Advanced solutions for process industries

Calderys partners with major OEM, licensors, EPC and end users in hydrocarbon industry and power industry. Calderys serves petrochemical refineries, power generation facilities, and waste-to-energy plants with comprehensive refractory solutions combining Calderys and HWI technologies.

Petrochemical & Refining

Heaters, Crackers & Primary Reformers
Advanced insulating monolithic solutions combining with strong application expertise allows Calderys to deliver consistently reliable refractory performance. 
Manufactured at the state-of-the-art Wankaner facility and imported from HWI, our products have demonstrated excellent thermal efficiency, durability, and long service life across operating units.

• INSULYTE® family
• CALDE® CAST MW/LW/XL series
• HWI monolithic including KAST-O-LITE® family and GREENLITE® family
• Shaped products like POROSINT, AC-Bricks, RDS-TUNNEL SLAB, RDS-BURNER BLOCKS

Sulphur Recovery Units (SRU) 
A robust portfolio of high-performance bricks and monolithics has consistently delivered dependable performance under severe operating conditions.

• KORUNDAL® XD from HWI
• AC 90K, AC 96
• Product families like POROSINT®, ACCPLAST®, TABCAST®, ACCMON®, and WHYTHEAT®  

High-alumina SRU bricks that will be produced at the Calderys facility in Odisha further ensure quality consistency, supply assurance, and long-term customer confidence.

Hydrogen ATR/Secondary Reformer/ Transfer line/Waste heat boilers
Specialized refractory solutions are engineered for hydrogen service to support reliable performance. 
Our high-purity, low-iron & low silica refractory solutions are designed to withstand the severe process conditions in hydrogen units, such as high temperatures, reducing atmospheres, reactive gases such as hydrogen and methane, and severe thermal cycling. 
Calderys’ solutions help customers achieve stable operation, extended lining life, and enhanced plant reliability across hydrogen units.

Fluid Catalytic Cracking Units (FCCU) 

Calderys provides licensor-approved refractory solutions for FCCU applications, supported by both Calderys and HWI product portfolios. 
Widely used and trusted brands include: 

• CALDE® CAST, CALDE® GUN, CALDE® STIX, and CALDE® FLOW
• HWI solutions such as Lo-Abrade®, HPI®, VERSAGUN®, GREENLITE®, and KAST-O-LITE®.

Power Generation (CFBC)

Advanced refractory solutions that deliver excellent abrasion resistance in high-wear areas such as cyclones and combustors. Proven solution ranges continue to perform reliably in service, while shotcrete solutions, available in both dense and insulating grades, enable fast shutdown and turnaround jobs with consistent performance.

Waste-to-Energy (WTE)

Calderys provides end-to-end refractory solutions and complete project management for the WTE industry. Backed by a robust portfolio of engineered monolithic and silicon-carbide-based solutions, Calderys supports customers in achieving durable linings, efficient operation, and reliable long-term performance in demanding WTE applications.

Technology & Services

• HYDROJET refractory dismantling: safe and precise removal of refractory linings without damaging boiler tubes. A proven method that helps customers achieve zero tube damage, resulting in extended tube life and reduced maintenance risk.
• Advanced inspection solutions: Thermography and CALDE® 360° 3D scanning for condition assessment
• Electrical dry-out: Zero downtime drying systems allowing parallel work during maintenance
• Trouble shooting for incinerators in specific environment with unique Calderys’ solutions
• Innovative Materials: Plastic systems (single and double component), shotcrete for rapid installation