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„Effective Heat and Temperature Control“ is HOBRA’s comprehensive mark, under which all the company’s products and services in refractory and insulation applications are identified. In essence, it is a marketing project which covers everything HOBRA manufactures, offers and supplies in these spheres.

Metallurgy and foundry

Foundry is the industry where HOBRA insulation products have found perhaps the largest application in the TVAROFORM product range of thermally insulating shaped forms. TVAROFORM refractory shaped forms are used predominantly in the following applications: sprue holes for the Lost Foam technology, pouring runners, mould inlets, filter carriers, melting pots, insulation of furnace inlet holes and spouts, insulation of risers, metallurgy of ferrous and non-ferrous metals, and as a substitute for asbestos materials (seals, protection, etc.).

Equipment (furnaces, ladles, etc.), as insulation sealing or separate insulation, for the protection of probes, pyrometers, inspection holes and orifices. Individual application examples are specified in the product sheets of the respective materials.

A brief overview of the particular applications of HOBRA products in the metallurgical industry:

  • Expansion insulation behind fireclay brick and concrete masonry (Flesibrex®, Sibrex® 140)
  • Insulation of mixers and heaters (Flesibrex®, Tibrex®, Sibrex®)
  • Insulation of ladle and furnace lids (Tibrex®, Sibrex®)
  • Insulation of hot-air ducts (Flesibrex®)
  • High-temperature sealing for all applications (Flesibrex®, Tibrex®, Sibrex®)
  • Insulation and sealing of cars (Flesibrex®, Sibrex® 140)
  • Aluminum metallurgy (Flesibrex®, Tvaroform, Tibrex®)
  • Fire and heat radiation protection (Flesibrex®, Tibrex®, Sibrex®, Tvaroform)
  • Metallurgy of ferrous and non-ferrous metals (Flesibrex®, Tvaroform, Tibrex®)

Products

FLESIBREX®

FLESIBREX® refractory paper is produced using a paper-processing technology from a water suspension consisting of loose aluminosilicate fibres, organic binder...

Applications:
Metallurgy and foundry, Engineering, Glass and Ceramics, Civil Engineering

TIBREX®

TIBREX® refractory boards are manufactured from ceramic, aluminosilicate heat-resistant fibers bonded only with an inorganic binder. The boards are used for...

Applications:
Metallurgy and foundry, Engineering, Glass and Ceramics, Civil Engineering

SIBREX®140

SIBREX®140 refractory boards are manufactured from ceramic, aluminosilicate fibers bonded with combined inorganic and organic binders and are used as thermally...

Applications:
Metallurgy and foundry, Engineering, Glass and Ceramics, Civil Engineering

SIBREX®250

SIBREX® 250 refractory boards are manufactured from ceramic, aluminosilicate fibers bonded with combined inorganic and organic binders, and are used as...

Applications:
Metallurgy and foundry, Engineering, Glass and Ceramics, Civil Engineering

SIBREX® 300

The solid refractory SIBREX® 300 boards are produced using paper-making technology, are made of aqueous suspension composed of fibrillated ceramic...

Applications:
Metallurgy and foundry, Engineering, Glass and Ceramics, Civil Engineering

IZOBREX®

IZOBREX®refractory boards are manufactured from a mixture of ceramic aluminosilicate fibers and mineral wool, bonded with organic and inorganic binders....

Applications:
Metallurgy and foundry, Engineering, Glass and Ceramics, Civil Engineering

HOBREX

HOBREX mineral fiber boards are manufactured from mineral wool and organic binders. They feature dimensional stability and good thermally insulating...

Applications:
Metallurgy and foundry, Engineering, Glass and Ceramics, Civil Engineering

TVAROFORM

TVAROFORM refractory and thermally insulating shaped forms are manufactured from aluminosilicate fibers suspended in water with the addition of an inorganic...

Applications:
Metallurgy and foundry, Engineering, Glass and Ceramics, Civil Engineering

Water jet cutting

Our firm uses state-of-the-art technology for precise cutting. On the basis of the drawing documentation provided, we are able to make any area cut-out from...

Applications:
Metallurgy and foundry, Engineering, Glass and Ceramics, Civil Engineering

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