ammonium polyphosphate halogen-free flame retardant
(phase-II) treated by melamine
Molecular formula :(NH4PO3)n n>1000
CAS No.: 68333-79-9
HS CODE: 2835.3990
Model No.: FR231
Melamine modified APP-II is a flame retardant based on phosphorus /nitrogen synergism, free formaldehyde, manufactured from APP II with melamine modified according to own method.
FR231 is different from FR201 in the following properties:
-Reduce solubility in water;
-Reduce viscosity in water;
-Obviously improve dispersibility and compatibility with polymers and resins;
-Increase fluidity of powder;
-Improve thermal expansion efficiency during inflaming retarding process and insulation performance.
P2O5 Content (w/w)
N Content (w/w)
Decomposition Temperature（TGA, onset）
Solubility (10% aqueous suspension, at 25ºC)
pH value (10% aqueous suspension )
Viscosity mPa.s (10% aqueous suspension, at 25 ℃, )
Average Particle size
FR231 can be used for all applications that ammonium polyphosphate is suitable.
-Fiber materials ( paper, wood, fireproof textile);
-Top imtumescent coating.
-All kinds of polymers ( sunproof , waterproof, or fireproof);
-Fire-refractory building board, coiled material;
-Epoxy resin and unsaturated resin;
-Cable and rubber;
-Plastic material of electron device;
Packing : 25kg Plastic woven bag with PE liner. 20mt/20’fcl without pallets, 18mt/20’fcl with pallets.
Storage: in dry and cool place, keeping out of moisture and sunshine, shelf life two years.