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KT Refractories US Company

Ceramic Rigidizor

Ceramic Rigidizor

Ceramic Rigidizor or so called Kaowool Rigidizer. Refractory CERAMICS RIGIDIZER can be applied to ceramic fiber blanet or Kaowool Blanket. Rigidizer is a colloidal silica compound for treating surfaces of ceramic fiber products to provide a degree of surface hardness and resistance to erosion

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High Temperature Rigidizer Technical Data

Item High temperature Rigidizer
SiO2 31~35%
Na2O 0.2%
PH value 9.5
Average Density 1.2 kg/m3
Viscosity(mpas) 7
Average grain size(nm) 17
Refractories 1300°C

Shelf Life:

10 months
  • Kept in dry place and must be protected from freezing
  • Keep the package sealed, when the package is opened, use up within 24 hours
  • Use Instruction:

  • Before using the rigidizer, clean the surface of products, remove the dusts and keep the working condition clean as well
  • Materials to be rigidized should be free of all grease and oil
  • Spray the rigidizer to the surface of products by spraying gun, the rigidizer can be also dip or brushed.
  • The bonding by rigidizer may be accelerated by heating or over drying
  • The recommended usage is 0.2-0.45 lbs/SQFT, the usage can be adjusted according to the engineering design or request.
  • Instruct the workers to wear the necessary protective equipment such as glove, mask and glasses, wash the tools and clean the job site after construction