Aluminum Tripolyphosphate Items Aluminum Tripolyphosphate Color Greyish white powder Moisture Content( % ) d1.5 Residue on Sieve( # 325 Mesh) ( % ) d0.5 PH Value 5.5-7 Oil Absorption 35± 5 P2O5( % ) 35— 40 Al2O3( % ) 20± 5 SiO2( % ) 10— 15 Standard Enterprise Specifications Modified Aluminum Tripolyphosphate Color Greyish white powder Moisture Content( % ) d1.5 Residue on Sieve( # 325 Mesh) ( % ) d0.5 PH Value 5.5-7 Oil Absorption 35± 5 P2O5( % ) 42— 46 Al2O3( % ) 20± 5 SiO2( % ) 10— 15 Standard Q/ 84XS02-2004 Aluminum Tripolyphosphate Hydrate Color White powder Moisture Content( % ) d1.5 Residue on Sieve( # 325 Mesh) ( % ) d0.5 PH Value 2-4 P2O5( % ) 60— 70 Al2O3( % ) 20— 30 Standard Enterprise Specifications