1) Product Features:
Controlled by the degree of response indicators, while increasing the removal of free pyridine and the sulfite process, thus products containing free pyridine, SO32-, organic salt content is extremely low, to ensure product purity and stability. To prevent the plating black, high-District rough, low-area black, more pinholes and other anomalies.
2) Quality Standards: Q/LZ 05-2008
Appearance: Colorless to yellowish liquid
PH Value: 4-5
Density: 34 Baume degrees
Solubility: Well soluble in water
Dioptre:64
Assay: min 45%
Na2SO3: max 0.3%
NaCl: 12%
PPS-OH salt: max 1%
free pyridine: 50PPm
3) Application
Concentration in the bath:50-500mg/L
Consumptio:40g/KAH
Characteristic: Leveling particularly good in the high current density zone, can produce a certain effect of white light to the coating.