Insulation application

Glass and Ceramics

HOBRA refractory fibrous materials are used in the glass and ceramic industries predominantly for expansion insulation between refractory concrete (fireclay) structures and steel jackets of heat equipment (furnaces, ladles, etc.), as insulation for individual furnace parts, and as pads under finished products.

Brief overview of particular applications of HOBRA products:

Glass industry

  • Putting-aside pads (Tibrex®)
  • Feeder pot insulation (Flesibrex®)

Ceramic and brick industry

  • Expansion insulation behind fireclay brick and concrete masonry (Flesibrex®, Sibrex® 140)
  • High-temperature sealing for all applications (Flesibrex®, Tibrex®, Sibrex®)
  • Furnace car insulation and sealing (Flesibrex®, Sibrex® 140)
Glass and Ceramics | HOBRA – Školník s.r.o.