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Skip Navigation LinksGeneral Industrial/United States - English/Refractory Additives Inorganic Fibrous Shapes Factory Cements - LUDOX®

General Industrial


??Refractory Additives???


Inorganic Fibrous Shapes?

LUDOX? colloidal silica is the binder used for vacuum forming refractory fibrous shapes such as:

  • Insulation board
  • Ceramic fireplace logs
  • Foundry tools
  • ?Other parts requiring high temperature stability. ?
Advantages of these ceramic fiber composites bonded with LUDOX? silica:
  • Low density
  • Resistance to thermal shock
  • Practically no thermal expansion
  • Resiliency
  • Resistance to mechanical shock and vibration
  • Flexibility in control of product properties
  • Usefulness at temperatures up to 1650°C (3000°F) with certain fibers

Properties of the composites can be varied by the type and amount of fiber or binder, different fabrication processes, post-treatments, and specialty coatings.

Refractory Cements

LUDOX? colloidal silica can be formulated with milled aluminosilicate fibers to make fibrous cements for trowel application, or for use in steel mills and other refractory cements and gunning uses. These cements or gunning mixes exhibit minimum shrinkage and high strength at temperatures up to 1260°C (2300°F).?

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