Monolithic RefractoriesCastables

Fused Silica Castable

Fused silica castable with a low thermal expansion coefficient, low thermal conductivity, high refractoriness and good thermal shock resistance, in ordinary and high-strength types.

Grades / types
Ordinary, Superior

Product overview

Fused silica castable has a low thermal expansion coefficient and low thermal conductivity, saves energy and allows a thinner lining. It has high refractoriness, good volume stability at high temperature and good thermal shock resistance.

Key characteristics

  • Low thermal expansion coefficient
  • Low thermal conductivity
  • Thinner lining possible
  • High refractoriness
  • Good high-temperature volume stability and thermal shock resistance

Technical data

Physical and chemical specification
PropertyUnitOrdinary — Ordinary fused silica castableSuperior — High-strength fused silica castable
SiO₂%≥70≥96
Al₂O₃%≤24≤0.5
CaO%≤5.5≤1.5
Bulk Densityg/cm³≥1.9≥1.85
Cold Crushing Strength (CCS)MPa≥40≥42
Permanent Linear Change (PLC)%-0.1~-0.4 (1100℃×3h)-0.1~-0.3 (1100℃×3h)

Available grades, shapes and sizes

Available grades

  • Ordinary
  • Superior

Related solutions

Services that work with this family of materials.

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