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Topic Tag: melt

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Hi people! We were thinking to make a research about the different solvents we could use for our project, Precious Plastic. We feel it could be interesting for all the community to know more about this topic.Maybe we can use them to melt, to join, to weld, to finishing, to clean or whatever else you can think. For this proposal I am going to make a list of different solvents that could work for the different plastics, research about them then test them and share what we find out about them.orIt could be very useful if you have experience with more solvents, share it here, and we can build altogether a kind of database of the solvents we can use and for which purpose they work. Thank you! Coming from different sources I have found this different solvents for the different kinds of plastics we usually use, this is just a little overview of this topic, because just I am not a chemist, I would be very thankful if someone who really knows about this topic could help us. I will start with the solvents oriented to PE and PP, just because they are the more difficult to work with. I know that for PS and ABS the history suggests it will be easier. I will avoid to talk about too dangerous, hazardous or just difficult to find solvents, but if you have any idea of more we can test here, we are open for new suggestions. Methyl ethyl ketone (MEK) C4H8O: Also known as Butanone. A large component of almost all plastic cements especially ABS and polystyrene cement. Can be bought pure. As butanone dissolves polystyrene and many other plastics, it is sold as "model cement" for use in connecting parts of scale model kits. Though often considered an adhesive, it is actually functioning as a welding agent in this context. https://www.ilo.org/dyn/icsc/showcard.display?p_lang=en&p_card_id=0179&p_version=2 (International chemical safety card) http://www.insht.es/InshtWeb/Contenidos/Documentacion/FichasTecnicas/FISQ/Ficheros/101a200/nspn0179.pdf (Spanish) Acetone C3H6O: Found in small quantities in nail polish remover. Also found in various plastic cements. Also found in acrylic paint thinners and varnishes. Can be bought pure. https://www.ilo.org/dyn/icsc/showcard.display?p_lang=en&p_card_id=0087&p_version=2 (International chemical safety card) http://www.insht.es/InshtWeb/Contenidos/Documentacion/FichasTecnicas/FISQ/Ficheros/0a100/nspn0087.pdf (Spanish) Xylene C8H10: It is used as a solvent. In this application, with a mixture of isomers, it is often referred to as xylenes or xylol. Areas of application include the printing, rubber and leather industries. It is a common component of ink, rubber and adhesives. In thinning paints and varnishes, it can be substituted for toluene where slower drying is desired, and thus is used by conservators of art objects in solubility testing. It can solve PP at high temperature. https://www.ilo.org/dyn/icsc/showcard.display?p_lang=en&p_card_id=0086&p_version=2 (International chemical safety card) http://www.insht.es/InshtWeb/Contenidos/Documentacion/FichasTecnicas/FISQ/Ficheros/0a100/nspn0086.pdf (Spanish)
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