Originally Posted by
Cynikal
To clarify, to common filler we call "silver" is usually 56% silver which does not build up well but has great capillary action (filling lugs and what not). There are other silver fillers like 50n or 46% silver that can build up like brass (bronze). These are what stainless fillet brazed bikes are generally built with. Search for Kirk frames for some amazing examples.
Excellent point, I usually keep a roll of 56% and 50% to use around depending on the application. Brian Chapman uses 30% silver for rear stainless dropouts, something I'd like to try.
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