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topic 4386

Titanium in tin solution


(2000)

I have been told that I can use titanium baskets in an acid tin solution. I have reservations. Any advice appreciated.

bob lynch
Bob Lynch
     plating company
Sydney, Australia



First of four simultaneous responses-- (2000)

You can't use titanium. It dissolves.

You need zirconium. Ask any reputable basket manufacturer. Vulcanium was one source a few years back.

bill vins
Bill Vins
microwave & cable assemblies
Mesa (what a place-a), Arizona 


Second of four simultaneous responses-- (2000)

Hi Robert.

No, you can't not use titanium basket in a acid tin solution.

The solution solves titanium. Use a carrier above solution.

Anders S

anders sundman
Anders Sundman
3rd Generation in Plating
Consultant - Arvika, Sweden



Third of four simultaneous responses-- (2000)

Mr. Lynch:

My experience with titanium baskets is that they eventually break down and the spot welds give out. What we incorporate now is slab anodes hung inside a polyproplyene 3"x6"x36" basket, covered with a napped poly anode bag that hangs on the anode bar. This works well in the sense that when they need to be pulled and scrubbed most of the smut stays in the bagged basket. We have not had a roughness problem in our 4 tin baths in 5 years. For the small spears from depleted anodes we use a plastic mesh anode basket with a zirconium anode mesh pad inside. If you need more info I will have our supplier contact you.

KH

Ken Hutchinson
- Minneapolis, MN, USA


Fourth of four simultaneous responses-- (2000)

hello robert. I only have used pure tin star shaped anodes with attached hooks, for acid tin. with anode bags.

Bill Hemp
tech svc. w/ chemical supplier - Grand Rapids, Michigan



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