Polyethylene bags

I need to know if the cheap 2 mil polyethylene Ziploc bags that I've
found in storage supply catalogs are as archivally safe as the ones
that I have ordered previously from museum supply catalogs?  In
other words, is polyethylene the same from product to product?

    **** Moderator's comments: There has been some discussion of
    this topic in the past, so check the DistList archives at
    http://palimpsest.stanford.edu/byform/mailing-lists/cdl

Susan Smyer
Collections Manager
The Battleship TEXAS
3527 Battleground Rd.
La Porte, TX  77571
281-479-2431 ex.239


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                  Conservation DistList Instance 17:34
                Distributed: Thursday, October 16, 2003
                       Message Id: cdl-17-34-031
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