The MSDS sheet for paste silver solder mgfd by Krohn Industries
Inc. indicates the following decomposition products: Boron
Trifloride (BF3), Hydrogen Floride (HF), Potasium Flouride (KF),
Boron Oxide (B2O3), carbon dioxide (CO2) & carbon monoxide (CO).
Special Protection Info
None for brazing in a properly ventilated
area. Properley Ventilated definition. Local Exhaust: Air flow to
produce velocity of 100 lineal ft/min in brazing zone.
Mechanical: 2000cu ft /min/brazer ie. 3 brazers= 6000cu ft/min
Natural: 10,000 cu ft space/ brazer- 16 ft ceiling with no
One way to help keep soldering (from any kind of soldering)
fumes away from you is by setting a muffin fan close to your
soldering area. Position it so it draws the air away from you.
Muffin fans don’t create a gale or a lot of noise. This technique
is used quite extensively in the electronics industry at