Electronics > Beginners
Rosin-free solder
starjump:
Hello,
This is my first post, I hope you will forgive (but please point out), any forum blunders.
I found out some years ago at the doctors, that my dermatitis was chiefly due to a sensitivity to colophony / rosin.
Can anyone advise me as to which solder I might try? I wish to try a rosin free type, but if your combined wisdom is against that sort of stuff, then maybe I'll use the rosin version: with precautions.
Many thanks,
joeyjoejoe:
Just buy a no-clean solder.
helius:
That's unfortunate, because the alternative fluxes for electronics either smell awful (REL0 types), or require careful cleaning to prevent post-soldering corrosion (OR/water soluble types). If possible, I would use normal rosin solder, but with fume extraction turned on and wear nitrile gloves if needed.
wraper:
I'd suggest spending money on fume extraction. There are synthetic fluxes without rosin in them but they are just as nasty or even worse. Even If you don't have any health issues, you should not breath flux fumes.
cdev:
Use a strong self contained fan and some flexible duct to grab the solder exhaust right at its source and channel the air via a fan to the outside.
Don't waste your money on the so called fume extractors that do not actually extract anything in most cases. (because the carbon in their filters is inadequate to the task and rapidly becomes loaded at the molecular level with fumes of all kinds, not just the solder fumes) So those units basically just are air cleaners cleaning out dust and other particles, not gaseous pollutants.
Exhausting the fume laden air outdoors and replacing that air with clean air is what you should do.
Its easy to buy or make your own dual air exchanging fan. Spend a bit more (they start around $250) to buy one with a heat exchanger.
An HRV combines a dual fan with a heat exchanger between the two air flows.
That heatsink between the two flows, saves around 65-70% of the energy in the air from wastage in winter and has similar money saving effects in fall and spring, (and even summer by reducing the need for AC, a lot, it seems. )
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