--- Dan Nave <[email protected]> wrote: > I may have been talking out of my hat when I > mentioned plasticizer, but what I tasted had a > distinct (to me) paraffin taste... > > Dan > > > Mike Monett wrote: > > > url: > http://escribe.com/health/thesilverlist/m61564.html > > > CS>Distilled Water > > From: Dan Nave > > Date: Mon, 28 Jul 2003 10:17:15 > > > > Hi Dan, > > > > Yes, I occasionally get a whiff of plasticizer > when I open a new > > bottle of dw. So far I haven't noticed any > difference in the cs due > > to plasticizer. > > What is the recycle number on the bottle that comes > in? Normally DW comes > in HDPE, same as most gallon milk cartons, and HDPE > does not require a > plasticizer, although I have known it to be added by > some mfgs anyway. > > Marshall I woked in the plastic processing inducstry for 17 years, and we used plasticizors with PVC, which is normally a stiff polymer. By adding a "plasticizor" such as DOP, this makes the end material more soft or pliable. Armour all, the popular liqiuid application put on the plastic and imitation leather surfaces of cars to prolong life and prevent crackage, is a DOP type plasticizor. However polyethylene is a complete polymer in itself, not readily mixable with liquid agents. One job we ran was the mixing of this type. The finished product would appear dry polyethylene, but after several days the oil that was mixed with the product would begin "leaching out" of the material. Dont ask me what they used that for, but it was a very messy product once the leaching set in. Polyethylenes are very chemically similar to waxes, and we mixed waxes with poly to decrease their poly melting points. The "glue gun" material is probably a lower melting poly or a wax product. The wax acts like a oil addition, to make the final product softer. I would think that plastic bottles would be safe, probably straight HDPE as you mention. HDN > > -- > The silver-list is a moderated forum for discussion > of colloidal silver. > > Instructions for unsubscribing may be found at: > http://silverlist.org > > To post, address your message to: > [email protected] > > Silver-list archive: > http://escribe.com/health/thesilverlist/index.html > > List maintainer: Mike Devour <[email protected]> >
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