Posted by Bill Thornton [ 84.51.138.64 ] on May 09, 2006 at 17:31:42:
In Reply to: Re: piezos (to DB) posted by dB on May 08, 2006 at 19:18:23:
The vendor said the cones were polypropylene ,they look shiny and grainy in appearance a bit like sintered filter material if that makes any sense.
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