Tetra Potassium Pyrophosphate, TKPP, metal cleaning agent
CAS No.: 7320-34-5Molecular Formula: K4P2O7Molecular weight: 330.34Standard executed: HG/T3591-1999Tetra Potassium PyrophosphatePacking: 25kg woven bagVolume/ 20FCL: 22MTPayment term :L/C at sight or T/T (30% T/T in advance, 70% against the copy of B/L).
Properties: It is white powdery granulars or lumps, easy deliquescence, soluble in water and showing alkaline aqueous solution and insoluble in alcohol.
Application: It is mainy used in non cyanogen electroplating, As a Complexing agent for electroplating to Substitute sodium cyanide, it is also used in Electroplating pre-treatment agent and electroplating solution of Pyrophosphate, used as components of detergents for cloth, cleaning agents for metal surfaces and cleaners for bottles, used for clay dispersant in ceramic industry, and for Pigment and dye dispersant and buffer. In the dyeing industry to remove a small amount of Fe 3 + in order to improve the quality of dyeing.
Packing: 25kgs plastic woven bags, or in 50LBs three layer paper with doule plastic bag lining.
|Appearance||White powder||White powder|
|Main content %||96.0 min||96.2%|
|Non-active phosphate ( based on P2O5 )%||41.0 min||41.1%|
|Iron (Fe)||50 PPM max||45 PPM|
|Insoluble substance in water %||0.08 max||0.07|
|PH value||10.0— 10.7||10.5|
|Heavy metal, as Pb %||0.01 max||< 0.005|
|Chloride content %||0.45 max||0.1|