Minerals Technologies materials and industrial equipment

Source specialized minerals, refractory systems, environmental containment liners, and laser profilometry equipment engineered by Minerals Technologies Inc.

MINTEQ monolithic refractories and shotcrete mixes

Specialized refractory castables, thixotropic mortars, and ramming mixes engineered for basic oxygen furnaces, electric arc furnaces, and steel ladles.

  • Magnesite and magnesia-carbon blends for furnace slag lines, bottoms, and tapholes
  • OPTIFORM series gunning and shotcrete materials rated for operational temperatures up to 1750 °C
  • Low-cement castable linings for continuous casting tundishes and blast furnace runners
  • Supplied in sealed moisture-proof FIBC bulk bags of 1,000–1,200 kg

Ferrotron LaCam series laser lining profile scanners

Non-contact measurement systems for fast topographic profiling and residual refractory thickness scanning of hot metallurgical vessels.

  • Lining measurement at vessel temperatures up to 1600 °C without interrupting production
  • Full 3D scanning cycle completion in 15 to 60 seconds
  • Water-cooled protective thermal housing with nitrogen optical window purge
  • Direct export of 3D residual thickness maps to plant process automation via Ethernet/IP

CETCO BENTOMAT geosynthetic clay liners (GCL)

Engineered roll-based containment barriers comprising high-swelling Wyoming sodium bentonite needle-punched between geotextile layers.

  • Hydraulic conductivity rating below 5×10⁻¹¹ m/s for superior containment
  • Self-healing mechanism that seals punctures and minor mechanical damage upon hydration
  • Engineered for municipal landfill base liners, mining tailings dams, and tank farms
  • Chemical resistance to aggressive leachates and hyper-saline solutions with BENTOMAT CL

Precipitated and ground calcium carbonate PCC and GCC

Engineered precipitated calcium carbonate and ultrafine ground limestone from Specialty Minerals for polymers, paper coatings, sealants, and paints.

  • ALBACAR and ALBAFIL precipitated calcium carbonate featuring engineered crystal morphology
  • Reduces titanium dioxide and binder consumption in coating and printing formulations
  • EMFORCE ultrafine surface-treated grades for automotive sealants with enhanced thixotropy
  • VICRON high-purity ground marble offering ISO brightness exceeding 96%

Premium Wyoming natural sodium bentonite

High-grade sodium montmorillonite sourced from Wyoming deposits, exhibiting exceptional hydration, swelling, and colloidal dispersion properties.

  • Free swell volume rating of 24 to 30 ml per 2 grams of dry substance
  • Cation exchange capacity (CEC) ranging between 80 and 100 meq/100g
  • Foundational binder for green sand metalcasting formulations and heavy clay soils
  • Supplied in 1,000 kg bulk bags or 25 kg valve multi-wall paper bags

VOLCLAY bentonite binders and ADDitrol molding premixes

Engineered binder solutions from MTI Metalcasting for automated green sand molding systems producing iron and steel castings.

  • VOLCLAY sodium bentonite providing superior green compression strength and hot shear resistance
  • ADDITROL pre-blends integrating premium bentonite with high-luster carbon carriers
  • Substantially reduces scabbing, pinholes, and burn-on defects on complex castings
  • Maintains consistent moldability and pneumatic transport flow across automated molding lines

Bleaching earths and purification adsorbent systems

Acid-activated and natural bentonite bleaching clays for decolorizing and refining edible vegetable oils, animal fats, and renewable aviation fuels (SAF).

  • Deep removal of chlorophyll, carotenoids, phospholipids, and residual heavy metals
  • High specific surface area ranging from 200 to 350 m²/g measured by BET
  • Low residual oil retention inside spent filter press cakes minimizing product loss
  • Efficient pretreatment for renewable hydrotreated vegetable oil (HVO) and biodiesel feedstocks

CETCO drilling bentonites for HDD and well drilling

High-yield sodium bentonite powders including PREMIUM GEL and HYDRAUL-EZ engineered for directional boring, vertical well drilling, and civil construction.

  • Rapid viscosity build coupled with low fluid loss filtration characteristics
  • Exceptional cuttings suspension and borehole carrying capacity in long HDD pulls
  • Deposits a thin, impermeable filter cake along the borehole wall to prevent sloughing
  • Full compatibility with specialty drilling biopolymers and thinners for sandy formations

MINSCAN and SCANTROL robotic gunning systems

Automated robotic manipulators for precision remote shotcreting and hot refractory repair of converters and ladles based on laser profilometry data.

  • Targeted refractory placement directly onto high-wear zones without overspray
  • Removes operating personnel entirely from high-temperature hazard zones around the vessel
  • Reduces refractory shotcrete consumption by 25–40% through closed-loop positioning
  • Seamless integration with LaCam laser scanners for automated inspect-and-repair routines

FOX immersion measurement probes and Ferrotron genuine parts

Consumable probes for molten steel temperature and dissolved oxygen determination, optical replacement components, and shotcreting nozzles.

  • FOX series immersion thermocouples and oxygen activity sensors for steelmaking ladles
  • Replacement protective optical windows, thermal heat shields, and LaCam data cables
  • Wear-resistant mixing nozzles and high-pressure concrete delivery hoses for shotcrete units
  • Optical calibration targets and maintenance packages for scheduled field service

Minerals Technologies Inc. corporate structure and divisions

Minerals Technologies Inc. (NYSE: MTX) is a global technology-driven minerals producer headquartered in New York. The business operates two primary divisions: Consumer & Specialties and Engineered Solutions.

Consumer & Specialties encompasses Specialty Minerals precipitated calcium carbonate (PCC), Barretts ground limestone (GCC), and high-purity bentonite adsorbents for edible oils and personal care.

Engineered Solutions comprises MINTEQ refractories, Ferrotron laser lining scanners, CETCO environmental geosynthetics and drilling fluids, alongside MTI Metalcasting green sand foundry binders.

Precipitated calcium carbonate crystal engineering

Specialty Minerals synthesizes precipitated calcium carbonate (PCC) via controlled reaction of calcium hydroxide slurry with carbon dioxide gas, often at satellite plants located directly at host paper mills.

Crystal morphology control yields scalenohedral calcite (ALBACAR series) for paper opacity and bulk, alongside prismatic crystals (ALBAFIL) and ultrafine surface-treated grades (EMFORCE) for automotive sealants.

These engineered crystal modifications reduce expensive chemical pulp consumption while maintaining sheet brightness, stiffness, and printability across high-speed commercial printing presses.

MINTEQ monolithic refractories for steelmaking

MINTEQ International engineers monolithic refractories, gunning mixes, and basic mortars for basic oxygen furnaces, electric arc furnaces, and steel ladles.

The OPTIFORM gunning series withstands temperatures up to 1750 °C, offering superior chemical resistance against corrosive iron-rich slags, thermal shock resistance, and structural integrity during intense heats.

Refractory formulations are supplied in bulk bags with certified grain distributions, ensuring uniform sintering and maximum slag line protection throughout multi-heat campaigns.

Ferrotron LaCam laser profilometry systems

Ferrotron manufactures LaCam non-contact laser profilometers designed for fast residual refractory lining thickness scanning of hot metallurgical vessels without production shutdowns.

Scanning is completed within 15 to 60 seconds at vessel temperatures up to 1600 °C. The scan head features water cooling and nitrogen purging, transferring 3D wear data directly to plant automation networks.

Automated analysis algorithms identify localized refractory hot spots, generating colorimetric wear maps that allow plant metallurgists to schedule targeted maintenance proactively.

MINSCAN and SCANTROL robotic hot gunning

Robotic gunning manipulators MINSCAN and SCANTROL automate hot refractory repair based on Ferrotron 3D laser profiling data.

Targeted placement applies gunning material perpendicularly to eroded vessel zones, eliminating personnel from high-heat zones and reducing refractory material consumption by 25% to 40%.

The closed-loop positioning system maintains consistent stand-off distance and nozzle oscillation, producing uniform, high-density refractory patches that extend vessel life.

CETCO BENTOMAT geosynthetic clay liners

CETCO BENTOMAT liners encapsulate Wyoming sodium bentonite between geotextile plies. Upon hydration, bentonite swells into a self-healing hydraulic barrier with permeability below 5×10⁻¹¹ m/s.

These engineered liners provide environmental containment for landfills, mining leach pads, and industrial impoundments, with chemical-resistant BENTOMAT CL grades handling aggressive leachates.

Needle-punching through high-strength geotextile filaments provides internal shear resistance, allowing stable placement on steep containment slopes and lagoon embankments.

CETCO drilling bentonites for directional boring

CETCO Drilling Products formulates PREMIUM GEL and HYDRAUL-EZ high-yield sodium bentonite powders for horizontal directional drilling (HDD) and civil tunneling.

The fluids provide rapid viscosity, superior cuttings carrying capacity, and low filtrate loss, depositing a thin impermeable filter cake that stabilizes boreholes in unconsolidated formations.

Engineered rheology prevents fluid migration into porous formations, maintaining circulation pressure and minimizing rotational torque during large-diameter back-reaming passes.

VOLCLAY foundry binders and bleaching clays

MTI Metalcasting produces VOLCLAY sodium bentonite and ADDITROL carbon premixes for high-speed green sand casting lines, preventing burn-on and surface scabbing on iron castings.

For edible oil refining and renewable aviation fuel (SAF) production, MTI bleaching earths selectively adsorb chlorophyll, phospholipids, and trace metals, ensuring high throughput filtration.

High adsorption efficiency and low oil retention minimize product loss during filter press cycles, supporting cost-effective refining of renewable biofuels and vegetable oils.

Industrial equipment

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