hi today i saw floor polish at a local shop. i remembered the post of using it as etch resist. (in inkjet). so i thought i may try the printing with it (facing problems with hpgl file generation to plot etc, etc.) it should be acrylic floor polish be used but i have no idea if this is one. since several years it seems no longer required by law to state the main ingredients at the label of a bottle. i don't like this. i believe in the past on nearly every product stood what is in there, at least the main ingredients. maybe they don't want to tell it to the competitors but i think they can find it out anyways. this would also be important for appropriate medical treatment if swallowed accidently. it was a cheap small can, only 5 eur. the brand is BONA Parkett-Polish. how can i determine if it is acrylic?? it smells like transparent water based laquer. (i did this guess in a previos post and seems to be right). i think it is diluted water thinable laquer but very diluted. it has a very hollow milky- white appearance, but more transparent. if anyone can tell me if this is the right stuff?? another question about ammonia: this is the stuff with the strong smell? who strong should be a ammonia / water mix to use as cleaner (%)?. this should be able to clean the dried polish? if anyone may help it would be fine... i have found having a inkjet which would be very easy to convert to use pcb material but have no ink cartridge. this is a hp with head in cartridge (good if clogged and not repairable). i have to get a cartridge before i can try. someone mentioned schellac could be also used. i think if anyone can get this stuff to pass through a printer head it may also be possible to use colophonium. this would give a ready fluxed surface for soldering and protection against oxygen on the tracks. but i don't believe it would work (but it's similar to schellac) any thoughts welcome like ever.... regards stefan
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[Homebrew_PCBs] floor polish, ammonia
2003-05-14 by Stefan Trethan
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