GRAFGUARD® Products > Expandable Graphite Flake

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Expandable Graphite Flake

Fire Retardant Additive

Used as a fire-retardant additive in platics, foams, wod products, putties and coatings, GRAFGUARD® Expandable Graphite Flake forms an insulating, non-burnable graphite char upon exposure to high temperatures.

  • Custom grade nomenclature
  • Customized Onset Temperature
  • Highest expansion volume
  • Reliable and constant performance
  • Safer for the environment

GRAFGUARD® expandable graphite flake enables the building products industry to meet increasingly stringent fire safety codes for insulation panels for wood products and foam insulation panels, putties and coatings.

Technical Documents

 Features and Benefits

  • Contains no halogenated fire retardant additives
  • Manufactured without the lead or chromium that can be found in other expanding graphite flakes
  • Enables ideal application as an intumescent additive
  • Forms an effective insulating “char” layer that protects the substrate from heat and air
  • Expands up to 8 times more than competitive products
  • Exhibits superior performance at even low temperatures