Enhanced TDS
Identification & Functionality
- Chemical Family
- Chemical Name
- Supplied By
- CASE Ingredients Functions
- Industrial Additives Functions
- Technologies
- Product Families
Features & Benefits
- Labeling Claims
- CASE Ingredients Features
- Industrial Additives Features
- Product Highlights
FR CROS® 484 is a long chain ammonium polyphosphate phase II. This fine white powder is used as a catalyst for solvent- and water-based intumescent coatings, as well for flame retardant coatings for textiles that need good char formation. It has very low solubillity in water and is insoluble in organic solvents.
Above temperatures of 300°C FR CROS® 484 decomposes to polyphosphoric acid and forms a gas layer which minimizes the amount of oxygen available to the substrate. The residual
polyphosphate dehydrates polyols, carbohydrates and other ROH or RNH containing substances. Subsequently, a heat protective barrier (intumescence) is foamed up.
Applications & Uses
- Markets
- Applications
- Segments
- Applications
- Compatible Substrates & Surfaces
- Coating Type
- Industrial Additives End Use
- Recommended Applications
- FR CROS® 484 is used in surface coatings such as intumescent paints, mastics and textile coatings for the passive fire protection of structural steel and wood.
- The insolubility in organic solvents and the low solubility in water allows the formulation of solvent- and water-based coatings.
- Typically 20% - 25% FR CROS® 484, based on total weight of the liquid paint, is used in formulations of intumescent paints.
Properties
Packaging & Availability
- Packaging Type
- Regional Availability
- Packaging Information
25 Kg bags with PE lining, Big Bag 500 kg, Big Bag 1.000 kg.
Storage & Handling
- Storage Information
In order to prevent lumping, FR CROS® 484 should be kept in closed packaging and stored in cool and dry conditions.