Author Topic: Flux pen toxicity and Conductivity  (Read 1480 times)

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Offline 128ITSHTopic starter

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Flux pen toxicity and Conductivity
« on: January 20, 2019, 04:23:41 pm »
Hello,
Recently I started doing some SMD soldering, so I bought a CW8100 No clean flux pen.
The thing came with lots of warning about the affects it has. All are in this MSDS.
For more background i'll say that I solder in my bedroom, while my door and a 1meterx1meter window are open, and the soldering station is 1 meter from the window, with a 12V DC fan sucking the fumes to the direction of the window (not necessarily making them go out of the room, just away from me).
I would be happy if someone who knows about would check the MSDS and tell me what I should and should not do. I am able to set up a more advanced air cleaning system if that is needed.

My other question is weather should I clean this flux after use in some way? Is it conductive? what about high voltage (230V AC mains)?
A good engineer knows how to use his tools.
A better engineer also knows how his tools work.
The perfect engineer is the one who made his tools.
 

Offline amyk

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Re: Flux pen toxicity and Conductivity
« Reply #1 on: January 20, 2019, 06:45:27 pm »
Don't forget that MSDS are almost always going to overexaggerate risk, for reasons of legal liability. You can look up the ingredients separately and assess for yourself:

- propan-2-ol: this is regular isopropyl alcohol, biggest concern is flammability.
- adipic acid: https://en.wikipedia.org/wiki/Adipic_acid mildly toxic and irritating, like any acid (but has a higher LD50 than sodium chloride)
- dimethyl glutarate: https://echa.europa.eu/documents/10162/13eda1a8-4f68-4b6e-8559-9bb66c1018bc shows that it is relatively safe
- rosin: you should know what this is ;)
 

Offline 128ITSHTopic starter

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  • Country: il
Re: Flux pen toxicity and Conductivity
« Reply #2 on: January 20, 2019, 07:53:22 pm »
Don't forget that MSDS are almost always going to overexaggerate risk, for reasons of legal liability. You can look up the ingredients separately and assess for yourself:

- propan-2-ol: this is regular isopropyl alcohol, biggest concern is flammability.
- adipic acid: https://en.wikipedia.org/wiki/Adipic_acid mildly toxic and irritating, like any acid (but has a higher LD50 than sodium chloride)
- dimethyl glutarate: https://echa.europa.eu/documents/10162/13eda1a8-4f68-4b6e-8559-9bb66c1018bc shows that it is relatively safe
- rosin: you should know what this is ;)

I can conclude from this that I should just use gloves and have proper ventilation. I'm wearing glasses normally so I don't need extra eye protection (or do I?). 
A good engineer knows how to use his tools.
A better engineer also knows how his tools work.
The perfect engineer is the one who made his tools.
 


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