Can anyone make a paste/flux suggestion?

 

 In a past life I once used a No Clean Alpha Metal 6106 paste which had an
incredibly long stencil life, I think it was 8 hours.

 

 This stuff never really "Dried Out" and a pasted board could sit for two
days and a "Missing Part" could thus be ordered and reflow soldered.

 

 Trouble was NOTHING would remove this no clean flux and trying to wash
messy THT or Rework flux could make a real mess.

 

 Can anyone suggest a cleanable paste/flux that has a long stencil life and
does not dry out to a hard crust?

 

Thanks,

Bob K.



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