Acid Tin Plating Process

Rectifier Capacity :

8/12 Volt - 250/500/750 Amps

Air/ Oil cooled , with deamer and digital meters

Additional facility : Timer, Chiller unit, Amp Totalizer, Dozing pump for Brighteners.

Air Agitation Pump :

Vacuum type blower @ Capacity of 0.5/1/2/3/5 HP with Air Filters

Water Cooled Air pump with Mechanical Seal @ Capacity of 1/2/5 HP

Tank :

Fabricated with MS and PVC lined

Fabricated with PP with wall thickness of 10/12 mm

Additional facility : Air Agitation Coil, Anode-Cathode Brackets, Outside FRP lining,Cathode Movement.

Barrel :

15/25/50 Kg Capacity of Loading, along with Tank and Gear Box, with Drum Hole size at 2 or 3 mm as per requirement.

Filter Pump :

125 LPM Magnetic Pump with PP Chamber @ 2500 LPH Actual Filtration Capacity

1 HP Mechanical Pump with MS Chamber @ 5000 LPH Actual Filtration Capacity

Cooling Coil :

Titanium Pipe @ Diameter from 0.5’ to 1.5’ with wall thickness 1.5 mm to 3 mm.

Operating Parameters :

Temperature : 20 to 30 ° C.
Voltage : 1 to 4 Volt DC. For VAT and 8 to 12 Volt for Barrel
Current : 10 to 20 Amps/ Sq. Ft.
Bath Composition : Tin As Metal 15- 20 gms/ltr
Sulphuric Acid : 90 – 100 ml/ltr.
Carrier Brightener(M ) : 40 ml/ltr.
Replainiser Brightner(R ) : 9 ml/ltr.
Anodes : Pure Tin Metal @ purity of 99.99%
Rate of Deposition : 25 micron in 30 min @ 20 Amp/sq.ft.
Filtration : 2 hrs of working days.
Air Agitation : Mild and continue while process for VAT, Oil free Air should be employed.
Brightener maintenance : (M) @ 50 to 75 ml/ KAH
(R ) @ 300 to 400 ml/KAH