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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
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
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