same here,
make signs out of both
Heath
----- Original Message -----
From: Rob P <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, April 01, 2003 12:57 PM
Subject: Re: removing door locks -Plastics definitions
> Just to clarify the plastic window issue before people go out and buy the
> wrong stuff, here is a quick rundown on the different products and brand
> names.
> "Perspex" is the brand name for a German made Acrylic plastic. It is the
> best quality acrylic in terms of clarity as they use very little recycled
> material in the production, compared to cheaper acrylics from Korea and
> Taiwan which may use up to 40% recycled material. Great for optical
clarity
> but not toughness as it cracks easily. On the other hand acrylic is easy
to
> mould, just heat it up in an oven to 120-160 degrees Celsius and it will
> slump onto any shallow profile shape you place it on. Cut edges can be
> smoothed to a gloss by carefully "flaming" it with gas torch/oxy acetylene
> handpiece after a light sanding. If you don't have access to a torch, use
> fine wet and dry then polish the edges with a rag dipped in Brasso.
> "Lexan" is the brand name for several types of Polycarbonate (not
acrylic),
> made by General Electrics Plastics if I recall. This has higher impact and
> scratch resistance than Perspex (acrylic) and is available in different
> grades right up to bullet-proof. This is the stuff you want to make your
> smash-proof windows out of. I beleive it is harder to work with than
acrylic
> and I'm not sure of the heat moulding temperature or finishing methods
> required.
> So basically Perspex is acrylic, Lexan is polycarbonate and the two have
> very different properties. I used to work in the industry so I know a
little
> bit about it.
>
> Cheers,
> Rob P
>
> ----- Original Message -----
> From: "David Costello" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, April 01, 2003 7:33 AM
> Subject: Re: removing door locks
>
>
> > when I was doing my automotive pre-vocational course at tafe years ago,
> > several attempts were made on my old XC Falcon. First time they smashed
> the
> > 1/4 glass then ran, I'm guessing that one was a test run to see who
would
> > come outside. Got my 1/4 glass replaced the next day, that day at TAFE
it
> > got broken again, this time someone interupted them. So my teacher and
I
> > went and made up some perspex 1/4 glass and fitted them, the only hard
> part
> > was the original glass had a slight curve in it, but wasn't all that
hard
> to
> > replicate. Not only did the perspex save my car, but lots of other cars
> > from the park because the security guard came out and caught some kids
> > sitting there whacking away trying to break the glass haha
> >
> > Dave
> > ----- Original Message -----
> > From: "Paul Stanley" <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Sunday, March 30, 2003 7:32 AM
> > Subject: Re: removing door locks
> >
> >
> > > Yeah I always wondered whether you could replace the glass in the
> quarter
> > > window with polycarbonate ('lexan'). Although would it then be
possible
> > to
> > > pop the whole piece out with a big enough 'tap'?
> > >
> > >
> > > ----- Original Message -----
> > > From: "Geordie" <[EMAIL PROTECTED]>
> > > To: <[EMAIL PROTECTED]>
> > > Sent: Tuesday, April 01, 2003 7:20 AM
> > > Subject: RE: removing door locks
> > >
> > >
> > > > Perspex windows...
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: [EMAIL PROTECTED]
> > > > [mailto:[EMAIL PROTECTED] Behalf Of Terry Rudd
> > > > Sent: Tuesday, 1 April 2003 7:07 AM
> > > > To: [EMAIL PROTECTED]
> > > > Subject: RE: removing door locks
> > > >
> > > >
> > > > Tony,
> > > >
> > > > The thief's in your area are a cut above the ones around here - our
> > > > delightful thief's just smash the quarter window with the first rock
> > that
> > > > they can find and there's not a lot anyone does about it these days.
A
> > > good
> > > > 3 way immobiliser means that usually you get to keep what's left of
> the
> > > car
> > > > though, hopefully enough of it to start again.
> > > >
> > > > regards
> > > > Terry
> > >
> > >
> > >
> >
> >
>
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