IPA and acetone
2004-07-30 by mikezcnc
I found an interesting discussion on cleaning with IPA and acetone: http://www.eng-tips.com/gviewthread.cfm/pid/31/qid/85540 The last post says that: IPA will
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Re: What cleaner to use for preparing for TT
2004-07-30 by Steve
... http://www.osha.gov/SLTC/healthguidelines/isopropylalcohol/recognition.html Not to minimize the dangers, which do exist, but the website you gave has this
Re: Beginner questions on building a homebrew TT laminator
2004-07-30 by mikezcnc
Derryck, It actually is a model H200 not like may have mentioned HC200.. http://www.hhc.co.uk/pages/news/type/editorial/id/660 you may contacy him and ask for
Re: What cleaner to IPA
2004-07-30 by mikezcnc
Alzheimer... Mike ... those ... for ... you ... to
Re: What cleaner to IPA
2004-07-30 by Dave Mucha
... there ... said ... Mike, the three sites all agreed that IPA is not carcenogenic. the second site even listed the reason it is on the list. quote : *
Re: Plating thruholes. .. IPA solvent
2004-07-30 by Dave Mucha
... You asked for some of the science behind how IPA alchol ( C3H8O ) and lipds ( C3H5O3+C3 with double bonds of O and 3 fatty acids ) interact. That page
Re: What cleaner to use for preparing for TT
2004-07-30 by mikezcnc
Dan, since you are new to this discussion I will repeat, that those are the links I just grabbed to show you there is something out there and that something is
Re: Beginner questions on building a homebrew TT laminator
2004-07-30 by mikezcnc
I kind of suspected that, Derryck, and that s why I voiced my info to everybody wanting to listen and having a need for it. If you want to develop your own
Re: Plating thruholes. .. IPA solvent
2004-07-30 by mikezcnc
That s funny, Dave. Mike ... it
Re: [Homebrew_PCBs] Re: What cleaner to use for preparing for TT
2004-07-30 by Don Bradbury
Mike read the second site you posted right thru .it is not a carcinogen...... Don.. ... From: mikezcnc To: Homebrew_PCBs@yahoogroups.com Sent: Friday, July 30,
Re: What cleaner -- IPA and MSDS
2004-07-30 by Dave Mucha
... Stefan, May I suggest you let well enough alone ? If one wanted to believe something and they have their mind made up, you cannot change it. I could make a
Re: [Homebrew_PCBs] Re: Beginner questions on building a homebrew TT laminator
2004-07-30 by Derryck Croker
Hi Mike, ... The usual answer is 42 :-) ... That s a clue there then, the one I have is quite cool and the manual states that it s 120C. I think 140C is
Re: Plating thruholes. .. IPA solvent
2004-07-30 by Dave Mucha
... of ... http://scifun.chem.wisc.edu/chemweek/FatsOils/Fats&Oils.html
Re: What cleaner to use for preparing for TT
2004-07-30 by Dave Mucha
... Seperate the MANUFACTURE of it from the USE of it. I use it, not manufacture it. each link provided clearly states that use of IPA is not carcenogneic, but
Re: What cleaner to use for preparing for TT
2004-07-30 by mikezcnc
Stefan, Like I said the issue is dead for me, I am not interested in proving anything I write- too much time. I tried to steer people in the right direction
Re: Plating thruholes.
2004-07-30 by mikezcnc
Jeremy, ...except I substitute Flash copper for acid cooper, and 90/10 tin/lead instead of solder plate... What does it mean that you substitute 90/10
Re: [Homebrew_PCBs] Re: What cleaner to use for preparing for TT
2004-07-30 by Stefan Trethan
... Mike ;-) ANY link on the web says the same. EVERY msds or other dicument says it is not carcinogenic itself but the acid used int the production is. PLEASE
Re: [Homebrew_PCBs] Re: What cleaner to use for preparing for TT
2004-07-30 by Stefan Trethan
... Well, ok, i will delete all paragraphs not dealing with cancer. (so you see clearer) ... You see, again, no carcinogen but the production is dangerous.
Re: Beginner questions on building a homebrew TT laminator
2004-07-30 by mikezcnc
Agreed, Stefan. I never said that people should not convert xerox conductors. I enjoy that subject and reading about it that people do dare things and come out
Re: [Homebrew_PCBs] Re: Plating thruholes. Is ther an easy way ?
2004-07-30 by Stefan Trethan
... Where, how? URL please. all three you provided do clearly state it doesn t!!!!! ... No semantics, no evidence and no indication or similar, there is no
Re: What cleaner to use for preparing for TT
2004-07-30 by mikezcnc
Stefan, Like I said, I am not going to get into further discussion. I know it is and you know it isn t- I respect that. I provided three links and suggested
Re: What cleaner to use for preparing for TT
2004-07-30 by mikezcnc
This is a second link - it opens up for me fine: Common Name: Isopropyl Alcohol CAS Number: 67-63-0 DOT Number: UN 1219 Date: September,
Re: Plating thruholes. Is ther an easy way ?
2004-07-30 by mikezcnc
Stefan, I would like three issues answered by a chemist and or pharmacist (although here I suspect that argument would be made that since it is used for
Re: [Homebrew_PCBs] Re: Beginner questions on building a homebrew TT laminator
2004-07-30 by Stefan Trethan
... I agree with you (for once ;-) ). Using the iron is very hard to reproduce, specially with bigger boards. This is much easier with a laminator as speed,
Re: [Homebrew_PCBs] Re: What cleaner to use for preparing for TT
2004-07-30 by Stefan Trethan
... with html it works, ... pidemiological studies suggested an association between isopropyl alcohol and paranasal sinus cancer; however, subsequent analysis
Re: [Homebrew_PCBs] Re: What cleaner to use for preparing for TT
2004-07-30 by Stefan Trethan
Ok Mike, ... error 404 ... can t open. It s not a webpage. ... Nevertheless, because of the concerns Dr. Clark has raised about the safety of externally
Re: Beginner questions on building a homebrew TT laminator
2004-07-30 by mikezcnc
I love you, man! I wish I new what the true answer to your question is. I don t know. I don t know what temperature is at the cylinder ( conductor ), but I can
Re: What cleaner to use for preparing for TT
2004-07-30 by mikezcnc
IPA is carcinogenic, Stefan. I m glad your post allowed me to raise this issue. Mike http://www.osha.gov/SLTC/healthguidelines/isopropylalcohol/recognition
Re: What cleaner to use for preparing for TT
2004-07-30 by mikezcnc
Yes it is. Here is just three links and there is a lot of it available on IPA. I m glad I could help.
Re: [Homebrew_PCBs] Re: Plating thruholes. Is ther an easy way ?
2004-07-30 by Stefan Trethan
... The last time i checked all electroless tin used some pretty nasty ingredients which i wouldn t want to have in the kitchen or fridge. What about yours? ST
Re: [Homebrew_PCBs] Re: What cleaner to use for preparing for TT
2004-07-30 by Stefan Trethan
... I have tried acetone, but somehow IPA seems to work slightly better. I m trying to replace laquer thinner and similar products by IPA, ethanol, acetone
Re: Plating thruholes. Is ther an easy way ?
2004-07-30 by mikezcnc
Jan, Just a word of comment: I tried the electroless tin and it workd exceptionally well on tinning the PCBs. I was quite amazed how well it work, exactly in a
Re: What cleaner to use for preparing for TT - Comet
2004-07-30 by Dave Mucha
... after a ... photoresists, the ... powder ... surface that ... dried, took ... It s what I use on anything that is not bright and shiny. My wife has some
Re: [Homebrew_PCBs] Re: Beginner questions on building a homebrew TT laminator
2004-07-30 by Derryck Croker
Hi mikezcnc, ... Is there a UK equivalent to this or the smaller model? The HC s seems to be for US mains only. The real question must be what temperature does
Re: Electroplating for PCB construction
2004-07-30 by rmustakos
Jeremy Is it not feasible, in the sense that it is impossible to make work, or is it not feasible as in it s a silly thing? ;) It s not the chemicals that
Re: [Homebrew_PCBs] Re: Plating thruholes. Is ther an easy way ?
2004-07-30 by Adam Seychell
... If you want to start copper plating then I suggested go to your local electroplating supplier and ask for the chemicals to do it. There are three parts to
Re: What cleaner to use for preparing for TT
2004-07-30 by Steve
... Isopropyl Alcohol -is- rubbing alcohol. Rated by percent of alcohol vs water. Witch Hazel is rubbing alcohol aka IPA with extra junk tossed in. The only
Re: [Homebrew_PCBs] What cleaner to use for preparing for TT
2004-07-30 by Norman Stewart
Excuse the ignorance - I m just returning to PC board fabrication after a long absence. Years ago, when I was using Kepro and Kodak photoresists, the best way
Re: [Homebrew_PCBs] Re: What cleaner to use for preparing for TT
2004-07-30 by Stefan Trethan
... polish the surface with paper. take a paper towel and wet one edge with IPA (not carcinognic like benzin and no oils in it) and wipe the board. wet anther
Re: [Homebrew_PCBs] Re: What cleaner to use for preparing for TT
2004-07-30 by Stefan Trethan
... Isopropylalcohol was what i meant (Isopropanol). NOT carcinogenic, (paint thinner and car petrol is though). ST
Re: What cleaner to use for preparing for TT
2004-07-30 by Phil
... Is that true?? Isn t that what s in rubbing alcohol?
Re: [Homebrew_PCBs] Re: Plating thruholes.
2004-07-30 by Jeremy Taylor
I ve already told you all, several times. I use the Think and Tinker method, except I substitute Flash copper for acid cooper, and 90/10 tin/lead instead of
Blank PCBoard-stock
2004-07-30 by JanRwl@AOL.COM
One learns as time flows by! I once had a several-$hundred job done at a professional PCB house, and as I was paying the lady real American money, I mumbled,
Re: [Homebrew_PCBs] Re: Plating thruholes. Is ther an easy way ?
2004-07-30 by JanRwl@AOL.COM
In a message dated 7/29/2004 10:23:09 PM Central Standard Time, dave_mucha@yahoo.com writes: Any ideas on a a simple way to do plating Dave: Even IF PTH was
Re: [Homebrew_PCBs] Re: Plating thruholes.
2004-07-30 by Dwayne Reid
... Most paint stores. It often goes by its full name: Tri-Sodium Phosphate dwayne -- Dwayne Reid Trinity Electronics Systems Ltd
Re: Plating thruholes. Is ther an easy way ?
2004-07-30 by Dave Mucha
... dispersion, ... solutions. I ... All ... critical ... I think we have all been looking for a simple way to plate thru-holes. I know that when I run into
Re: Plating thruholes.
2004-07-30 by mikezcnc
Jeremy, 1. Where do you buy TSP? I chceked and it is some kind of a cleaner. Sounds like a great suggestion. I searched this board and it wasn t mentioned
Re: [Homebrew_PCBs] Re: What cleaner to use for preparing for TT
2004-07-30 by Leon Heller
... From: mikezcnc To: Sent: Friday, July 30, 2004 3:38 AM Subject: [Homebrew_PCBs] Re: What cleaner to
Re: What cleaner to use for preparing for TT
2004-07-30 by mikezcnc
Richard, I like simple and easy life and I don t like cleaning PCBs at all. In fact, when I was using all kinds of secret papers (Ihave a foot high pile of
Re: What cleaner to use for preparing for TT
2004-07-30 by mikezcnc
IPA- carcinogenic. Please be careful with it. Mike ... a ... I ... that ... to ... toner