[Robotgroup] Clean/polish plastic?

[Mark Hinkle]

   PETE, or PET is Polyethylene terephthalate. Lightweight and flexible.
   When made into thin sheets and aluminized, it is called Mylar.
   About half of the polyester carpet made in the US today comes from
   recycled PET bottles.
   I have had success polishing plastic using toothpaste. This was on
   plastic model airplane parts (I had the best canopies on the block!).
   It may be that PET is too pliant for such a technique. Worth a try
   though.
   Cheers,
   Mark
   ---------[ Received Mail Content ]----------
   Subject : Re: [Robotgroup] Clean/polish plastic?
   Date : Wed, 13 Jun 2007 01:32:47 -0500
   From : Tami Friedman
   To : robotgroup at puremagic.com
   I have had success polishing the plastic lens of a (cheap) compass
   with Zam
   applied with a buffing wheel, running slow and wet (to keep the
   plastic from
   melting). Jewelers' rouge would probably also work. Zam has a bit more
   abrasive than the standard red jewellers' rouge, but we use it as
   final polish
   at school. Refresh the abrasive often and use a muslin buffing wheel
   that
   will polish a largish area and keep a light touch.
   Liquid detergent or ammonia will remove the greasy buildup from the
   abrasive's
   binding material.
   When I want to de-label a plastic container, I use WD-40. That won't
   help you
   now, but maybe in the future :)
   .Tami
   .signature: syntax error at line 1: `(' unexpected
   I'm not a robot, but I played one on TV.
   On 2007 June 11 Vern Graner wrote:
   > Some of you know I've been working on an upcoming article for Nuts
   and
   > Volts magazine .. in the process I used a recycled Peanut Butter jar
   as
   > the chassis. The problem is the jar label was difficult to remove
   and by
   > the time I got rid of all the residue, the plastic was slightly
   opaqued:
   > http://www.notepad.org/peanutbutter/images/img_2492.jpg
   >
   > I was wondering if anyone knows of a magic way to return the
   original
   > clarity to this type of material? If it helps, the type of plastic
   > (according to the symbol on the bottom of the jar) is a #1 in a
   triangle
   > with the letters "PETE" under it..?
   >
   > Vern
   >
   > --
   > Vern Graner CNE/CNA/SSE
   "If the network is down, then you're
   > Senior Systems Engineer
   obviously incompetent so why are we
   > Texas Information Services
   paying you? Of course, if the network
   > http://www.txis.com
   is up, then we obviously don't need
   > Austin Office 512 328-8947
   you, so why are we paying you?" ©VLG
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