Hi Julie They’re a laminate material, typically a barrier layer (i.e. biaxially oriented nylon, aluminum) sandwiched between a heat-sealable film. Try searching for companies selling cryovac or film for use in food manufacturing. Best wishes Alex
On Thu, Oct 8, 2020 at 1:23 PM jmcin...@famsf.org <jmcin...@famsf.org> wrote: > Hi Alex, > > Interesting! What material are the barrier bags made of? I did a quick > google search and see that term used fairly loosely. Is there a > manufacturer you go to? > > Julie > > On Wednesday, October 7, 2020 at 6:16:49 PM UTC-7 Alex Roach wrote: > >> Hi Julie >> We've found that sealing objects in pe can actually increase problems, as >> the object's 'smell' can build up and create an even bigger attraction to >> pests (sort of like the pheromone from hell). >> We've been sealing objects in barrier bags, either with a heat sealer or >> a dead-fold as you've described. The barrier bags don't allow the odour to >> escape, making the object 'invisible' to bugs, or those pests relying on >> smell anyway. >> Best wishes >> Alex >> >> >> *Alex Roach* >> *Director* >> Modified Atmospheres >> *M:* 0414 663 472 >> ABN: 66 164 577 557 >> >> >> On Thu, 8 Oct 2020 at 10:18, jmci...@famsf.org <jmci...@famsf.org> wrote: >> >>> Hello, Pestlist >>> >>> Hope you all are well. >>> >>> I am beginning a project of adding an extra layer of protection between >>> pests (specifically moths) and our high-danger collections. >>> >>> Storage boxes are generally made of corrugated plastic sheeting, and >>> historically we have taped the seams. However, this is time consuming and >>> creates a messy looking box after repeated opening and sealing. >>> >>> Now, we are looking at placing these boxes inside of large plastic bags, >>> and rolling the open end tightly up against itself, then clamping, to >>> create a hopefully insect-proof seal. >>> >>> Is this a technique anyone here is familiar with or perfected? I'd love >>> to hear advice. Is anyone making the bags (sealing their own with heat >>> perhaps) to custom size? Is there a retailer of plastic bags (square >>> bottomed preferred) in various sizes that can be recommended? >>> >>> Any tips or suggestions appreciated. Feel free to reach out directly. >>> >>> Best, >>> >>> Julie McInnis >>> jmci...@famsf.org >>> Collection Care Specialist >>> Fine Arts Museums of San Francisco >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "MuseumPests" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to pestlist+u...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/pestlist/eacdd2bd-1d45-4079-9d04-d06311dc1055n%40googlegroups.com >>> <https://groups.google.com/d/msgid/pestlist/eacdd2bd-1d45-4079-9d04-d06311dc1055n%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> *Alex Roach* >> *Director* >> Modified Atmospheres >> *M:* 0414 663 472 >> ABN: 66 164 577 557 >> > -- > You received this message because you are subscribed to the Google Groups > "MuseumPests" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to pestlist+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/pestlist/9fef9853-b8d2-4e1f-8032-44d416dfbe8an%40googlegroups.com > <https://groups.google.com/d/msgid/pestlist/9fef9853-b8d2-4e1f-8032-44d416dfbe8an%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- *Alex Roach* *Director* Modified Atmospheres *M:* 0414 663 472 ABN: 66 164 577 557 -- You received this message because you are subscribed to the Google Groups "MuseumPests" group. To unsubscribe from this group and stop receiving emails from it, send an email to pestlist+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/pestlist/CAOt7HWA6UK9aBY5xfaJX8-57B5ORvGYMCbydrP9cKHmCi_EVUA%40mail.gmail.com.
