Refrasil, S.r.o.

What Refrasil, S.r.o. does

REFRASIL, s.r.o. is a Czech manufacturer of refractory materials headquartered in Třinec – Konská in the Moravian-Silesian industrial region. Founded in 1993/1994 as a subsidiary spun off during the privatization of Třinec Iron and Steel Works (Třinecké železárny a.s.), the company carries on a refractory production tradition in Třinec that traces back to the mid-19th century. It produces fireclay bricks (TRISAM), high-alumina bricks (TRIAL), insulating products (TRIZOL), tundish and gunning mixes (TRIGUN), refractory mortars (TRIPLAST) and mastics (TRITIC), dense, insulating, low-cement, and specialty refractory castables (TRICAST), and computer-controlled monolithic prefabricates, with applications rated for service temperatures up to 1750°C.

The company's core technology centers on dry and semi-dry pressing of fireclay, high-alumina, insulating, and castable formulations on computer-controlled automated production lines, with raw materials including calcined fireclay, andalusite, bauxite, fused corundum, tabular alumina, magnesia, olivines, spinel, and high-alumina cements. It maintains ČSN EN ISO 9001:2015 certification covering all functions except economic department activities. Production output, energy efficiency (e.g., TRIZOL thermal conductivity of 0.23 W/m·K at 500°C), and mechanical performance (e.g., cold crushing strength up to 190 MPa for BN98K castables) are emphasized in the technical positioning.

REFRASIL generates revenue through direct B2B sales of refractory materials and on-site technical installation services to industrial customers in metallurgy (primary), construction, ceramics, cement, energy, and glass sectors. Distribution is handled by dedicated regional sales directors covering Czechia, Slovakia, and Hungary, and Germany, Italy, and Switzerland, with technical service engineers embedded in installation projects. Its parent company Třinec Iron and Steel Works is the named anchor customer, and pricing is not publicly disclosed. The company is privately held with registered capital of 50,000,000 CZK and is not publicly traded.

Name

Refrasil, S.r.o.

Legal name

REFRASIL, s.r.o.

Website

https://refrasil.cz

Company type

Private

Founded year

1993

Operating status

Operating

Headcount range

1–10 employees

Short description

REFRASIL is a Czech manufacturer of refractory materials — fireclay and high-alumina bricks, insulating products, castables, mortars, mastics, and monolithic prefabricates — serving metallurgy, construction, ceramics, cement, energy, and glass customers across Central and Western Europe, operating as a subsidiary of Třinec Iron and Steel Works.

Ownership category

akta.pro rank

Product category

Refractory Materials Manufacturing

NAICS

Clay Building Material and Refractories Manufacturing (32712)

SIC

Structural Clay Products (3250)

akta.pro primary industry

Refractory Bricks & Firebricks (IMADABAG)

Keywords

• Refractory materials manufacturing
• Fireclay bricks production
• High-alumina refractory bricks
• Monolithic refractory castables
• Industrial furnace linings

Headquarters

HQ city

Trinec

HQ country

Czechia

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Refractory Materials Sales: The company manufactures and sells refractory materials including fireclay bricks, high-alumina bricks, insulating products, refractory castables, mortars, mastics, and monolithic prefabricates. Products are sold directly to industrial customers in metallurgy, construction, ceramics, cement, energy, and glass industries. The company also provides technical services concerning application of refractories and complex technical services during installation at customer premises.
2. Technical Services: Technical services concerning application of refractories and complex technical services during installing its materials at customer premises.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels1 record

Core offering

Refrasil, s.r.o. manufactures and sells refractory materials for high-temperature industrial applications, including fireclay bricks (TRISAM), high-alumina bricks (TRIAL), insulating products (TRIZOL), refractory mixes (TRIGUN), mortars (TRIPLAST), mastics (TRITIC), castables (TRICAST), and monolithic prefabricated shapes. In addition to product supply, the company provides technical services for the application of refractories and complex technical services during installation at customer premises.

Product overview

Refrasil, S.r.o. is a significant Czech producer of refractory materials operating as a subsidiary of Třinec Iron and Steel Works. The company offers a comprehensive portfolio of refractory products organized under distinct branded product lines: TRISAM fireclay bricks, TRIAL high-alumina bricks, TRIZOL insulating products, TRIGUN tundish and gunning mixes, TRIPLAST mortars, TRITIC mastics, TRICAST refractory castables (dense, insulating, low cement, and special formulations), and refractory monoliths/prefabricated shapes. The products are used across metallurgical, construction, ceramic, cement, energetics, and glass industries. The company also provides technical services for application and installation of refractories at customer premises.

Differentiator

Problem solved

Functional benefit

Brands

• TRISAM: Fireclay bricks produced on the base of top quality calcinated fireclay, refractory clays and kaolins using dry and semi-dry pressing technology.
• TRIAL
• TRIZOL
• TRIGUN
• TRIPLAST
• TRITIC
• TRICAST

Products and services

• TRISAM Fireclay Bricks Fireclay bricks produced on the base of top quality calcined fireclay, refractory clays, and kaolins using dry and semi-dry pressing on computer-controlled production lines. Grades ST40T, ST40, ST40K, ST35, ST30, SP40, SP35, SP30, SP28 with Al2O3 content 28-40% and application temperatures up to 1460°C. Used in metallurgical industry for linings of hot-blast stoves, blast furnaces, ladles, stopper rods, and in ceramic and chemical industries. Also supplied for construction fireplaces and facades.
• TRIAL High-Alumina Bricks High-alumina bricks produced from calcined fireclay, andalusite, bauxite, aluminium oxide, fused corundum, refractory clays, and kaolins. Grades AT90K, AT80BC, AT80B, AT65A, AT60A, AT55A, AT50V, AT45V with Al2O3 content 45-90% and application temperatures up to 1700°C. Intended for linings of aggregates operating at elevated temperatures in metallurgical, cement, ceramic, and chemical industries.
• TRIZOL Insulating Products TRIZOL HBU and HB insulating bricks effective for service temperatures exceeding 1300°C, manufactured from high-quality kaolins, refractory clays, and aluminium oxides. Grades HBU 5, HBU 7, HB 9, HB 11, HB 7/15, HB 10/16 with thermal conductivity as low as 0.23 W/m*K at 500°C. Used in glass furnaces and various industrial applications for heat loss savings and steel casting protection.
• TRIGUN Tundish and Gunning Mixes Tundish mixes produced from magnesia, olivines, mineral and organic fibres with special additives, applied by slurry gunning for working linings. Gunning mixes for repair materials manufactured from bauxite, andalusite, and calcined fireclay. Application temperatures up to 1700°C. Used in continuous casting tundishes and for repair of worn refractory linings.
• TRIPLAST Refractory Mortars Refractory mortars produced from calcined fireclay, andalusite, bauxite, brown fused alumina, aluminium oxide, silica sands, refractory clays, and kaolins. Used as bricklaying or jointing materials for fireclay, high-alumina, or silica linings with tight joints down to 1 mm.
• TRITIC Refractory Mastics Refractory mastics manufactured from calcined fireclay, andalusite, bauxite, high-alumina aggregates, alumina, aluminium oxides, refractory clays, and kaolins. Intended for fireclay and high-alumina linings as jointing and bricklaying material with tight joints down to 0.5 mm.
• TRICAST Dense and Insulating Refractory Castables Dense castables produced from calcined fireclay, high-alumina refractory aggregates, andalusite, bauxite, white-fused alumina, and high-alumina cements. Insulating castables made from refractory light-weight aggregates with special additives and high-alumina cements. Grades with Al2O3 content 25-90% and application temperatures up to 1700°C.
• TRICAST Low Cement Refractory Castables (LCC) Low cement castables produced from calcined fireclay, andalusite, bauxite, tabular and white-fused aluminas, spinel, microcomponents, deflocculating agents, and high-alumina cements. Self-flowing grades available. Al2O3 content 40-98%, application temperatures up to 1750°C, and cold crushing strength up to 190 MPa for BN98K grade. Used for refractory linings or precast shapes in severe conditions.
• TRICAST Special Refractory Castables (ULCC, NCC) Special refractory castables including ultra-low-cement (ULCC) and no-cement (NCC) grades produced from calcined fireclay, andalusite, bauxite, tabular and white-fused aluminas, spinel, with additives such as SiC and Mg. Designed for demanding industrial applications requiring specific performance characteristics.
• Refractory Monoliths and Prefabricated Shapes Refractory monoliths produced from calcined fireclays, high-alumina refractory grogs, andalusite, bauxite, fused corundum, tabular alumina, spinel, and high-alumina cements, with mixture preparation, vibration, and drying controlled by computer. Used in metallurgical plants for monolithic lances, refractory plugs, tundish dams, ladle and tundish lids, and snorkels for chemical heating of steel.
• Refractory Application and Installation Technical Services Technical services related to the application of refractories and complex technical services rendered during installation of Refrasil materials at customer premises. Provided alongside refractory product supply as a value-added service to industrial customers in metallurgy and adjacent sectors.

Quantifiable outcome

• Products designed for application temperatures up to 1750°C for highest-performance applications
• +2 more outcomes

Named customers1 record

Segments6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

One partnership is on record.

• Třinec Iron and Steel Works (Třinecké železárny, a.s.)coreStrategic or Co-development Partner · 1 January 1994REFRASIL was established in 1994 as a subsidiary during the privatization of Třinec Iron and Steel Works (TŽ). The company continues as a subsidiary linking to the long-time tradition of Třinec ceramic and refractory production. As the subsidiary of Třinec Iron and Steel Works, REFRASIL has been producing refractory materials for the metallurgical industry with main focus on refractories for pig iron making, steel plants, foundries, rolling mills and forging shops.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Emerging players

• Pyrotek: Global supplier of high-temperature materials and engineered refractories for aluminum, glass, and foundry industries. Comparable to Refrasil in refractory castables, monolithics, and installation services, with adjacent overlap in glass and metallurgical furnace applications.
• Magneco/Metrel: Specialty refractory producer focused on monolithic products, gunning mixes, and precast shapes for steel, cement, and waste-to-energy applications. Direct product overlap with Refrasil's TRIGUN gunning mixes and TRICAST castables, though with a smaller global footprint.

Direct peers

• P-D Refractories: European refractory producer with a strong installed base in steelworks, cement, and lime. Direct comparable to Refrasil in fireclay and high-alumina bricks, monolithics, and Central European customer base — operating at a similar regional scale.
• HarbisonWalker International: One of the largest North American refractory manufacturers, producing bricks, castables, and monolithics for steel, cement, glass, and other high-temperature industries. Direct comparable to Refrasil across the full refractory product range, though focused primarily on the Americas.
• Calderys: Imerys-owned refractory solutions provider specializing in monolithic refractories, installation services, and steel/cement industry applications. Directly comparable to Refrasil in castable, gunning mix, and prefab monolith offerings, with similar installation-led service model.
• Resco Products: US-headquartered refractory manufacturer producing fireclay bricks, high-alumina bricks, and monolithic products for steel, aluminum, cement, and glass. Direct comparable to Refrasil in product portfolio and end-markets, though primarily serving North America.

Broad incumbents

• RHI Magnesita: World's largest refractory producer, headquartered in Austria, with vertically integrated magnesia raw material supply. Directly comparable to Refrasil in product categories (bricks, castables, mixes) and serves the same metallurgy, cement, and glass end-markets — but at vastly greater scale and geographic reach.
• Vesuvius plc: UK-listed global refractory and ceramics manufacturer serving steel, foundry, and glass industries. Directly comparable to Refrasil in monolithic refractories, flow control products, and steel mill applications, but operates globally with significantly larger R&D and product portfolio.
• Saint-Gobain: French multinational materials group with a refractory product line serving high-temperature industries alongside broader construction and industrial materials. Overlaps with Refrasil in refractory bricks and high-temperature solutions, but refractory is a small fraction of Saint-Gobain's diversified portfolio.
• Morgan Advanced Materials: UK-listed manufacturer of advanced ceramics and refractory products for industrial, aerospace, and electronics applications. Comparable to Refrasil in high-temperature ceramic technologies, though with broader application focus and higher-margin specialty segments.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Refrasil, S.r.o.