Expandable Graphite

YUNSSEN Expandable graphite is manufactured by treating flake graphite with various types of intercalation reagents & acids that expands into worms shape when heated.

It is used as a fire-suppressant intumescent additive, or use to manufacture graphite gasket products, as a foundry additive and in other industrial applications.

YUNSSEN Expandable Graphite (YEG) Products Family:

  • Flame-retardant Series 
  • Low-temperature Expansion Series (150℃~160℃)
  • High-temperature Expansion Series (200℃~210℃ & 220℃~230℃)
  • Ultra-low Sulfur Series (below 300 ppm)
  • High Purity Series

 Features:

  1. Halogen free inorganic flame retardant.
  2. Excellent thermal expansion performance when heated.
  3. Tailored product support on particle size, pH, start/initial expansion temperature & expansion ratio.

Applications:

graphite gasket & sealing, fireproof sealant & foam, flame retardant additives


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