What are the differences between a textile chemist, a textile conservator and an object conserHi Joan Who are the people and web sites I should contact about preserving volatile chemicals of objects of ladies costume accessories (used footwear) for long term? The textile chemist mentioned; you want a fluoropolymer bag with a very low number for oxygen permeability. When looking at moisture transmission, Teflon and Teflon FEP are better than the other plastics; then HDPE, then PP, and LDPE is the worst. Our mission to inspire readers to get outside has never been more critical. I think he's hedging his opinion about the fluoropolymer bags. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. A sealed fluoropolymer bag in any type of light-resistant covering or in the dark should be very well sealed. This is the site I will always come to when I need a second opinion.Just let me say that this encounter has been entirely professional and most helpful. I must admit, I had a craving for sausages after watching the video. I know that I've seen this data somewhere, but I'm not sure which website it was.The thicker PE bags from Talas will probably store odors longer. However fluoroplastic bags are not a complete barrier. This may include different Hi Joan Where online are some sites I should look to find a list of textile chemists to contact by email?
I agree with the expert. My goals are to preserve the used scent from each pair and for the ladies shoeswhy do i feel that i should call when i don't hear from him, i start t think that there is another person in his life keeping his mind preoccupied If there is air transfer from around the shoes out of the container, then the chemicals wHi Jesse The Textile Chemist mentioned it would be a good idea to contact researchers who focus on olfaction as they may have recommendations as to how to enhance the existing odors in my collection oHi Jesse You mentioned from an earlier post, Marvelseal looks OK, depending on which type you use. He ends up with a snow mask on his face, grinning like a big furry clown. I cannot thank you enough for your help. My note says that I had five days of food in the Opsak and that it was almost full. Oddly enough, when looking at oxygen transmission HDPE has the lowest transmission rate, then LDPE, then polypropylene and both Teflon and Teflon FEP are worse than any of the other plastics. This expert is wonderful. I would also expect better quality control from an archival supplier than from a commercial supplier like Ziploc.The lesser range of sizes from Loksak is unfortunate, but you are probably better off with extra space (that you can push most of the air out of) and a better bag, than with a lesser, but better-fitting bag. The thicker the layer of film, the less permeable it is regardless of the type of film or barrier being used. our Windows are full of spots from the Borwater, Nothing helps also Spirit with Vinigar does not helps. Thank you so much for taking your time and knowledge to support my concerns. Those bags look very promising.I agree with the man from Welch about PCTFE being the best type of fluoropolymer for your application. If your response time had been longer than two full days without letting me know, I would of been worried.Thank you Jesse for always being there for me. I contacted another Scientist but did not mention the type of plasHi. in./24 hrs. I'll see if I can find the Loksak video. This may involvHi Norman To learn about preserving body odors on ladies used costume accessories, who are the experts in the Science field that I should contact who would know about this? They truly know what they are talking about, and they actually care about you. He suggested I use bags made of Escal or equivalent.Jesse, you mentioned in the previous post; based on the chemical compatibility charts that I've found, polypropylene should be slightly more stable than LDPE to the volatile fatty acids; but not a dramatic difference.Which web sites would have a few of these chemical compatibility charts that would be reliable information and what are all the names of these chemicals that are related to volatile fatty acids?I did some searching online and found The TexLoc Library PTFE, FEP, PFA Chemical Resistance Chart.
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