Anyone who's had a girlfriend/wife that worked in a nail salon knows they sit there all day every day, year after year using tons of acetone which evaporates right up their nose. And raw acetone dripping off her fingers and the customers fingers. And they can come home with some nasty headaches!
Saying that acetone is a health hazard because you might use it to wipe a PCB on rare occasions is just plain stupid.
Every building must by law post a sign at all entrances stating that you may be exposed to substances "that cause cancer or reproductive harm". That is, unless you can prove otherwise.
Nobody can prove their building is free of all substances, so the stupid signs are everywhere.
It appears that private residences and government buildings are exempt, but I don't know why.
Angelgove, I love how you question other users successfully demonstrated methods.
Steel wool is a bad idea, it leaves metal particles that will rust. Scotchbrite would be better.
Its a pain but it works. Might try the recipe with magazine paper. The only reason for the silicone is to keep the dextrin from curling the paper. I am wondering if this will curl the magazine paper. If not then I have my solution.
My problem is making solder masks with Puslar's foils. I get everything to go up until the last point where the final print on the PC Board cracks. I only found that out today after I made some decals for another project.
What I found was quite startling. If I print in the same fashion (Foiling printing again etc...) on plane paper I get brilliant color and no issues. The toner binds to the white foil without any issues. When I use the transfer paper I get lots of problems. The color is weak, and I get drop outs here and there. So I tried magazine paper to see if I get the same results as either the plain paper or the transfer paper. The magazine once again with the same process of as before came out vibrant and no issues just like the plain paper test. Something is wrong with the transfer paper, I have a suspicion it is the anti curl additive used in the backing paper that does something in the laser printer.
Here is the PDF:
i have used catalog paper that is too thin by sticking it side ways by 3M tape on an A4 paper. it worked well
the paper was retrieved from RS components catalog of UK or even farnell catalog or Times magazine paper would suffice.
instead, inkjet photo paper glossy ( not too thick) would do well
and we need to make few punches on the paper at random in the NO-track areas before ironing so that water would easily enter.
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