Place of Origin : Qingdao,China
Payment Terms : T/T L/C
Name of index PFS-S PFS-L
Appearance Light yellow powder solid Reddish-brown viscous liquid
Basicity, % 9.0~14.0 9.0~14.0
Total iron content, % ≥ 18.5 11.0
Restoring substances(Fe2+)content, % ≤ 0.15 0.10
PH Value(1% aqueous solution) 2.0~3.0 2.0~3.0
Density(g/cm 3 )
1.45
Ascontent, % ≤ 0.0008 0.0005
Pbcontent, % ≤ 0.0015 0.0010
Water insoluble substance content, % ≤ 0.5 0.3