I think you are missing the point
"part-to-bed bonding" makes a lot of sense to be PVA or anything else that's easily broken on demand and does not make sense at all to be "same type plastic" as you wrote ... the full quote of your line is
True, but I think to use it as a part-to-bed bonding agent they must add some other ingredients which could possibly be as simple as adding a little plastic of the same type to be printed into the dichloromethane (paint stripper) and maybe some enhancements to make it unique or give it mystique..
both "part to bed" and "same type" words are there...
of course you would not expect PVA or something like that in PART-to-PART glue ... not to mention one need to be special kind of daredevil to put dichloromethane on a print bed and heat it up
due to dichloromethane being nasty chemical... dunno what's inside 3DGLOOP but importing it here is impossible so it's not of any concern of mine as I'm not going to be using it for sure.. I am in the process of getting a kg of dichloromethane (I think I finally found a place where I don't have to by 200L of the stuff) and do not plan for that stuff to ever leave the garage as it's nasty nasty nasty .. but if it works as chemical welder for PETG and PLA it's cool.. will work in garage .. using it for bed adhesion, not sure what's the point, PLA and PETG stick to bed way too good if you have a decent bed (e.g. printbite surface they stick perfectly, and they free them selves right away as soon as bed is cold) so no bonding agent is required...
quote from http://publichealth.uic.edu/sites/defau ... azards.txt
Methylene chloride (dichloromethane) is highly volatile and high concentrations may cause narcosis, lung irritation, pulmonary edema, and is a probable human carcinogen. Methylene chloride also decomposes in the body to form carbon monoxide and inhalation of large amounts has resulted in fatal heart attacks. People with heart problems and smokers are particularly at high risk. Although most of the chlorinated hydrocarbons are not flammable, they may decompose in the presence of ultraviolet light or excess heat (e.g., a lit cigarette) to form the poison gas phosgene. In general try to replace chlorinated hydrocarbons with less toxic solvents. Uses: wax, oil, resin, grease and plastics solvent, paint strippers.
the other interesting thing would be to completely dissolve PLA (e.g. if using PLA as cheaper support in combo with ABS or HIPS for e.g.) ... HIPS dissolves good in limonene but stuff is expensive
.. so looking for cheaper alternative, dissolving pla in dichloromethane works as ppl say but it's expensive (200L or 258kg barrel locally is 1eur per 1kg so 258eur for a 200L barrel + taxes ... the stores selling smaller "packages" ask ~20eur per 1L) ... so figuring out cheaper way of dissolving PLA was always something I was interested in but without much success
... I tried among first things to dissolve it with NaOH and got zero success but recently I got the info that if you heat NaOH to 70C it will convert PLA into soap making it super easy to remove as support ... is not worth as a chemical welding but for removing PLA it might be useful ... I plan to try in near future but heated NaOH is not nice on your lungs neither so need to get some heating elements for my garage to be able to test it..
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