100% water-soluble Ammonium Polyphosphate.
PhosGard APP-WS is a 100% water soluble version of PhosGard APP used in aqueous systems. APP-WS has phosphorus content of 45% and Nitrogen content of 24%. The nitrogen present in PhosGard APP-WS aids in char formation and hence acts as an intumescent flame retardant. PhosGard APP is especially effective in textile applications.
Appearance: Fine white powder
P2O5 content: ≥ 45%
Nitrogen content: ≥ 24%
PH value: 6.5 to 8.5
Solubility: Freely soluble in water
Primary Chemistry: Phosphorus & Nitrogen blend
Low cost
Fine particle size
Compatible with a wide variety of resins
Helps in Char formation
Availability of water-soluble Ammonium Polyphosphate flame retardant
Added cost of using intumescent to prevent char formation
Intumescent Flame Retardants
Water based coatings
Polyurethanes
Thermosets
Flame retardants are reactive chemicals used as additives in combustible polymers to prevent, delay, or slow down combustion.
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