The spelling is biphenol, specifically biphenol A. It is used in many
plastics, but is not used in polyethylene, which is the plastic of
choice for CS and the one we use. Specifically it is used in
polyesters, polysulones, polycarbonates, PVC and epoxies. Specifically
PET, HDPE, LDPE, polypropylene, and polystyrene do not use biphenol A.
The only plastic we recommend is polyethylene for storage, either HDPE
or LDPE, which typically contains no antioxidants or plasticizes. No one
is recommending using any plastic which contains this compound for anything.
Marshall
John E. Stevens wrote:
There's also a problem with bephenols (bph's) if stored in plastic.
gee, I just hate to disagree with you knowlwdgeable folks... Ha...
ha... ha...
John
On Wed, Jan 13, 2010 at 6:13 PM, John E. Stevens
<[email protected] <mailto:[email protected]>>
wrote:
Plastic draws the silver to the sides of the plastic bottle. If
used for your horses (or humans) and don't store in glass, use as
quickly as possible. Amber bottles, I feel are best, and stored
in a dark cabinet away fron light and the sun and your CSW can
last a long, long time.
John
On Wed, Jan 13, 2010 at 1:46 PM, Teresa Jessee
<[email protected] <mailto:[email protected]>> wrote:
I am new to silver making. I bought a machine from Utopia.
The lady there told me I could store my silver in a plastic
bottle. But I have read here that it needs to be stored in
glass. Would it be OK to store in plastic just long enough to
collect a half gallon to use to soak my horse's feet?
Should I throw away the half gallon I have stored in plastic
for the last month?
TIA,
Teresa
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