Introduction 3M™ Flame Retardant Additive FR-2025 has been found to be an effective flame retardant in polycarbonate at use levels as low as 0.06% to 0.08% by weight. It is chemically and thermally stable to temperatures greater than 450°C—making it
suitable for use in engineering resins that require high processing temperatures—and provides excellent performance without affecting the processability of the resin.
One advantage of the low use levels necessary to provide effective flame retardance is that FR-2025 flame retardant additive can be formulated to produce optically-clear, haze-free grades of polycarbonate for extrusion and molding. What’s more, FR-2025
additive does not contain any bromine or chlorine and has been found effective as a flame retardant without the use of synergists.
 
Material Description
Properties                             FR-2025
Appearance                          White solid
Chemical Name                     Potassium Perfluorobutane Sulfonate
                                             CF3CF2CF2CF2SO3 -K+
 
 
 
Typical Physical Properties
Not for specification purposes All values determined at 77°F (25°C) unless otherwise specified
 
Properties                                                               FR-2025
Molecular Weight                                                    338
Melting Point (by DSC)                                            271-273°C
Decomposition Temp. (by TGA/N2 purge)               499°C
Bulk Density (lb/ft3)                                                56-59
Solubility in Water (wt% at 25°C)                           5%
 
 
3M™ Flame Retardant Additive FR-2025 Applications and Compounding
3M™ Flame Retardant Additive FR-2025 is extremely effective as a flame retardant additive with premium performance in polycarbonate at very low additive levels.
For most effective incorporation it is recommended that the additive be initially dispersed into a 10% or more masterbatch and then compounded into the final plastic blend. Dispersion can be achieved effectively with typical polycarbonate processing equipment.
There is limited data to suggest that FR-2025 flame retardant additive may have utility at varying performance levels and higher addition levels in other engineering resins.
 
 
Packaging Information
FR-2025 flame retardant additive is available in 5 kg and 20 kg plastic pails.
 
 
Safety and Handling
Please refer to the Material Safety Data Sheet and product label. Material Safety Data Sheets for this product are available from 3M Customer Service at 1-800-541-6752 or from your local 3M representative.