ZIRCAR Refractory Composites, Inc., produces a comprehensive line of advanced high performance ceramic-ceramic composite materials and related products. Our materials are used around the world in the most demanding thermal, structural and electrical insulating applications ranging in temperatures from 600°C (1112°F) to 2200°C (3992°F). For over thirty years, we have been a problem-solver working with our customers to resolve their thermal management problems. We have developed products that have become industry standards for induction melting, forging and heat treating applications, investment casting, glass processing, hot pressing and high temperature electrical applications.

Featured products:

What’s new:

RSLE 57 Thermal Shock Proof

RSLE 56 Trough Liner Installation

Introducing Luminar Glass Products and our brand-new online store! For decades, ZIRCAR Refractory Composites Inc., has offered a comprehensive line of high-performance ceramic-ceramic composite materials and related products. We are excited to announce our new line of products designed specifically for artists that work in hot glass and bronze.  Luminar Glass Products are advanced materials for casting, slumping, and fusing hot glass and bronze.  Our materials are designed to be extremely stable while heated, resist sticking and, in most cases, can be re-used for a number of cast or slumped parts. Our new website allows artists to purchase a wide range of products including hot glass casting mold mixes, ceramic papers, ceramic boards and shapes, thermal blankets and coatings. Luminar Glass Products have been carefully designed with durability, versatility, and creative flexibility in mind.

SanderRSLE-57 is an integral part of the production of hot pressed diamond segments. RSLE-57 is used as a separator to electrically and thermally insulate a metal ram or frame from a graphite pack. It will see in excess of 1000°C (1832°F)+ with several thousands pound per square inch compression without any surface deformation.

RSLE-57 will last 10 to 20 times longer than ANY calcium silicate, asbestos or other hot press insulation!

zircal181ZIRCAL-18 is a new low density, highly insulating Calcium Silicate boards with use in applications up to 1100°C(2012°F). It has lower Thermal Conductivity and cost than Ceramic Fiber! They are now available in 24″ x 48″ and 36″ x 48″. In 1/2″, 1″, 1 1/2″, 2″ and 4″ Thick.

ZIRCAL-18 can be cemented to form large insulating structures.

ZRCI’s Type RS-100 and Type RS-1200 are now available in 48″ x  48″ Sheets. They are superior high temperature, 1260°C(2300°F), electrical and structural insulation. Rs-100 has a smooth polished surface and RS-1200 has an as formed finish for cost savings.

RS-100 used as an electrical insulator in a steel melter.

RS-100, ZIRCAL-18 and RS-101 Shell are combined for a strong and highly insulating package for high temperature fuel cells.

RSLE-501 cylinders are ideal for induction forging applications. They are virtually thermal shock proof.

RS-100 used as a heating coil support.

RS-101 cylinders can be made in many sizes. 

RS-101 Cylinders can be made up to 4 feet ID and 5 feet tall. 

 RS-100 has superior flexural strength. 

RS-200 is used as casting spouts and tips. 

RS-101 Cylinders can be made up to 4 feet ID and 5 feet tall. 

RS-202 Ceramic containers for Solid Oxide Fuel Cell Applications. 

RS-202 Ceramic containers with closed end for Solid Oxide Fuel Cell Applications.

RSLE-56 custom made Filter Box for aluminum casting. 

ZRCI’s RS-99 is 99%+ pure Alumina. Type RS-99’s high alumina content is ideal for high vacuum, reducing atmospheres, and other applications where silica cannot be tolerated.

ZRCI Materials can be machined to tight tolerance with standard tools. 

Large RSLE-57 boards are made for low thermal expansion setter.  They can be made up to 60″ wide and 3.5″ thick.

RSLE-56 is used as a non-wetting trough liner for non-ferrous metal casting. 

RSLE-56 is easy to apply to existing set ups. 

RSLE-56 is lower density than traditional cast refractories. 

RSLE-56 is used to protect a graphite shaft when immersed in molten Aluminum. 

RSLE-56 is easy to use. 

RSLE-56 will adhere to graphite and will not react or sublime.

ZRCI Increases capacity for die cut gaskets made from a variety of high temperature materials. 

RS-Cloth and RS-Tape can be used to protect induction heating equipment. Use of Al-Hard Hardener  will make it “Rock-Hard”.

Silica Blanket Type SB-2000 is a strong reliable alternative to Ceramic Fiber Blankets. 

Type RSLE-57 is used as a thermal, structural and electric insulator for sintering of diamond saw blade segments.

RSLE-57 is an integral part of the production of hot pressed, sintered diamond segments. It is used as a separator to electrically and thermally insulate a graphite pack from a steel frame in vacuum sintering.

RSLE-57 is by far the world’s best materials for use in production of diamond segments.

RSLE-57 is used a brazing separator in the production of cookware.

RSLE-57 replaces  asbestos insulation in cookware production.

RSLE-57 is currently used by manufacturers in the US, France, Spain, Portugal and Italy to make cookware.

RS-101 Cylinder were used  an eutectic insulator to prevent corrosion in a underwater oil pipeline.

RS-100 is used as an electrical insulator in Dynamic Breaking Systems in Locomotives due to its high strength and resistance to vibration.

RSLE-57 is used as an heating element support in a high watt load heating element.

RS-100 and RSLE-57 are used as high intensity bulb support

RSLE-57 use ideal for hot face insulation in Infrared Dryers due to its dust free nature and low expansion.

RSLE-57 is used hot face and supports in Quarts lamp drying furnace.

RS-100 is used as the exterior layer of insulation on high temperature to hang the low density insulation. RS-99R is used as high temperature wear resident door cowls.

RS-100 and RS-1200 is used as the exterior layer of insulation on high temperature furnaces and incinerators. They are strong and will not rust or corrode due to heating and cooling cycles.

RS-100 and RSLE-57 are used as slide gates dampers in garbage to electricity incinerator power plants.

RS-100 used as  the Hot face insulation, Electrical hookups and door seal in automotive glass tempering and bending furnaces and Deep Bend Ovens.

RS-100 is used as set out trays for hot glass.

RS-100 and RSLE-57 used as  the Hot face insulation and furnace components in LCD and PDA Glass Manufacturing.

RS-100 used as components in Fiber Optic Pulling Furnaces.

RS-100 used as  structural parts and tops plates for tilt steel melters.

RS-100 used as splatter guard to protect sensitive equipment, machinery and personnel from metal splatter.


RS-DA And RS-99 Gasketing Material Used in Centrifugal Casting of Metals.

RS-100 is used as Induction Melting Rollover Furnace Tops for the Investment casting of super alloys.

RS materials are use in high temperature environmental chambers.

RS materials are use in many types of heated  reactors.

RS-100 used in a carbon residue tester.

ZRCI Machines many of our materials for heat management in testing and analytical equipment.

RS-501 Cylinders are used for Thermal Shock Resistant Induction Forging Liners.

RS-201 and RS-202 Cylinders are used for Induction Coil Liners for Stainless Steel Tubing and wire annealing

RS-100 is used a structural components in the construction of induction melters.

RS-101 is used a coil liners for core-less induction melters

RSLE-57 Caster tips are stronger than Calcium Silicate tips and will last longer.

RSLE-56 Moldable is used as trough linners. It is non-wetting properties when used in contact with molten aluminum, zinc, lead, tin and other non-ferrous metals.

RSLE-57 is used as Solar Thermal Shielding in solar tower installations

RSLE-57 is stable in exterior freeze thaw and heat cycling.

RSLE-57 is used in Concentrated Solar Sterling Engine as protection Shielding

RSLE-57 is used in concentrated Photovoltaic as protection Shielding from solar spillage.

RSLE-57 is used as insulation in the furnaces that manufacturer of cadmium telluride thin-film photovoltaic modules.

RS-99M used to seal Solid Oxide Fuel Cell.

Refractory Sheet materials can be used by anyone working in hot glass.

Refractory material can be used when working with hot glass.  Due to its high alumina properties, molten glass will not stick to it.

Mold Mix 6 and RS-DD are used for the production of Glass and Bronze Hot Casting Molds

RS-PUTTY can be easily applied to induction coils and provides excellent electrical and thermal insulating properties.

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  • ZIRCAR Refractory Composites, Inc.
    P.O. Box 489
    Florida, NY, 10921 USA
    Phone: (845) 651-2200
    Fax: (845) 651-1515
    email: sales@zrci.com