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Components and Circuits For discussions about component types, alternatives and availability, circuit configurations and modifications etc. Discussions here should be of a general nature and not about specific sets.

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Old 13th May 2021, 1:48 pm   #1
60 oldjohn
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Default Lead Tin liquid solder.

Is there such an item as Lead / Tin Liquid solder? I have some SMD soldering to do. I have seen liquid solder that has a short shelf life it has to be stored at a low temperature and brought up to a high room temperature before opening.

I hope something is available that works and is simple to use at a reasonable price.

John.
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Old 13th May 2021, 2:01 pm   #2
Restoration73
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Default Re: Lead Tin liquid solder.

I think the term is "solder paste"

https://uk.farnell.com/search?st=solder%20paste
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Old 13th May 2021, 2:22 pm   #3
60 oldjohn
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Default Re: Lead Tin liquid solder.

Quote:
Originally Posted by Restoration73 View Post
I think the term is "solder paste"

https://uk.farnell.com/search?st=solder%20paste
Thanks for that, I did originally search for solder paste and got a lot of flux items.

Any makes better than others? anyone.

John.
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Old 13th May 2021, 2:46 pm   #4
barrymagrec
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Default Re: Lead Tin liquid solder.

The couple I have tried (can`t remember the make) both went thick and difficult to apply quite quickly but warming the board with a heat gun improved things considerably. Useful in some cases for multi pin devices but on the whole, more trouble than it`s worth.

Practice does improve results greatly though.

On the whole I tend to use 0.46mm solder and a small tipped iron.
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Old 13th May 2021, 7:12 pm   #5
Keith956
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Default Re: Lead Tin liquid solder.

I use Loctite solder paste from RS. Buy the smallest syringe and keep it in the fridge as it will go solid over time.
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