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Coatings Ingredients
The material selection platform
Coatings Ingredients
by SpecialChem
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FR CROS® 585

Technical Datasheet | Supplied by Budenheim
FR CROS® 585 by Budenheim is a phosphorus-based, flame retardant. It is a long-chain ammonium polyphosphate phase II. This fine white powder is used in solvent- and water-based intumescent coatings. This product offers highest quality combined with a unique long term shelf life in water-borne paints. Intumescent coatings are the ideal fire-protection solution for applications such as paints and coatings on the steel structures of buildings. Ammonium polyphosphates (APP) are key ingredients for intumescent coatings. FR CROS® 585 has very low solubility in water and is insoluble in organic solvents. Above temperatures of 300°C, the product 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.
Product Type
Flame Retardants / Fire Retardants > Phosphorus-based
Chemical Composition
Long chain ammonium polyphosphate
CAS Number
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