●Colority(Pt-Co),number:≤20
●Ester content,g/cm3:≥99.5
●Density(P20), g/cm3:1.044~1.048
●Acidity(Phthalate),%:≤0.01

●Color(pt-co):10-15
●Assay(GC):9.5 % min.
●Acidity%:0.008%max
●Density g/ml:1.118-1.122

●PTA Content%:99%
●Metal(Fe,Mo,Cr,Ti,Mn,Ni,Co)ppm≤:≤4ppm
●Moisture %≤:≤0.5%
●Fe ppm≤:2ppm

●Content %:≥99.0
●Density (20οC) g/m:0.974-0.980
●Acid Value(as H+)mmol/100g:≤O.2
●Water(H2O) %:≤O.12

●BaSO4:98% min
●PH Value:6.5-9
●Water soluble matters:0.3% max
●Iron (on Fe basis):0.004% max

●Model :N220
●Iodine Absorption g/kg:121±7
●DBP Absorption 10-5m3/kg:114±6
●Heating Loss ≤%:2.5

●Lead oxide (PbO)% ≤:0.12
●Cadmium oxide (CdO) % ≤:0.02
●Cupric oxide (CuO) % ≤:0.006
●Manganese (Mn) % ≤:0.0002

●Appearance:white flake, granular
●Iodine g/100≤: 2.0
●AcidValue(mgKOH/g):205-210
●Color (Hazen) ≤:200