[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


Original poster: Slurp812 <slurp812@xxxxxxxxx>

Wow. I guess I might try the microwave test. Interesting stuff for sure.

On 1/10/07, Tesla list <tesla@xxxxxxxxxx> wrote:
Original poster: Yurtle Turtle <yurtle_t@xxxxxxxxx>

Cadmium and lead? Where did you get that information?
Since the pvc pipe we use is used for drinking water
or sewerage, I doubt they'd deliberately use heavy
metals for that. AWWA and the Clean Water Act might
not approve.


--- Tesla list <tesla@xxxxxxxxxx> wrote:

 > Original poster: StephenTetorka@xxxxxx
 > Certain PVC formulations contain heavy metals which
 > are used to
 > stabilize the material...Cadmium and Lead are two
 > such metals.
 > An easy way to determine if a PVC has metal is to
 > put the material in
 > a microwave oven...say 1 to 2 minutes....if it gets
 > hot ( some of my
 > samples actually melted )...that PVC indeed has
 > metal in it.
 > Note:  the frequency of my mobile loading coil
 > changed after placing
 > the PVC cover over the assembly....it got hot in the
 > microwave.
 > Also...dielectric constant for "PVC" is around
 > 4...FYI...wonder has
 > this changes with formulation??
 > Kind regards,
 > Steve

Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around