FR CROS® 584

FR CROS® 584 is a long chain ammonium polyphosphate phase II. It is a fine white powder used in solvent- and water based intumescent coatings. FR CROS® 584 offers highest quality combined with a unique long term shelf life in waterborne paints. The product has a very low solubillity in water and is insoluble in organic solvents.
Above temperatures of 300°C FR CROS® 584 decomposes to polyphosphoric acid which dehydrates polyols, carbohydrates and other ROH or RNH containing substances. Subsequently the generated char is expanded by water and ammonia and a solid heat protective barrier is foamed up.

Intumescent coatings: FR CROS® 584 is used in surface coatings such as intumescent paints and mastics for the passive fire protection of structural steel and wood. The insolubility in organic solvents and the very low solubility in water allows the formulation of stable coatings. Approximately 20-25 % FR CROS® 584, based on total weight of the liquid paint, is used in formulations of intumescent paints.

• Intumescent coatings: FR CROS® 584 is used in surface coatings such as intumescent paints and mastics for the passive fire protection of structural steel and wood.
• The insolubility in organic solvents and the very low solubility in water allows the formulation of stable coatings.
• Approximately 20-25 % FR CROS® 584, based on total weight of the liquid paint, is used in formulations of intumescent paints.

20 kg bags with PE lining, Big Bag 500 kg, Big Bag 1000 kg.