Rigidizer

SD Tech's hardener is a colloidal silica compound used to treat the surfaces of ceramic fibers and other refractory materials. This product forms a cured layer of a certain thickness, improving surface hardness and corrosion resistance, and extending the life of the refractory material.
The hardener can be applied by spraying or coating. Avoid use in low-temperature or freezing environments.

1. Characteristic
  • Improved surface hardness and erosion resistance
  • Excellent wind resistance
2. Use
  • Surface coating of ceramic fiber blankets exposed to high-velocity airflow environments
  • Surface treatment of molds
  • Surface hardening of vacuum-formed bodies
3. Specification
Division SD 1200
Classification temperature(℃) 1,400
Density(kg/m³) 1,150 - 1,400
Usage per 1㎡(kg) 2 -6
Packaging 20kg / bucket