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Re: Another hardtop question

To: Bkitterer@aol.com, spritenut@Exit109.com, spridgets@autox.team.net
Subject: Re: Another hardtop question
From: Christopher Palmer <ctp@gbn.org>
Date: Mon, 18 Jan 1999 14:41:41 -0800
In-reply-to: <a4b5b875.36a2917e@aol.com>
Reply-to: Christopher Palmer <ctp@gbn.org>
Sender: owner-spridgets@autox.team.net
He is right about the Acrylic vs. Polycarbonate properties and names
(plexi=acrylic/lexan=polycarbonate).  Acrylic is used for headlight covers
and hardtop rear windows.  Polycarbonate is used for bulletproof windows,
eyeglass lenses, and the cases on iMacs (I have one here in my office in

Acrylic scratches easier than polycarbonate, but in my experience acrylic
is easier to work with (and that includes heating to bend)

Either material...DO NOT GET IT TOO HOT!! At best it will bubble and be
useless...at worst it WILL ignite!  (been there...done that)


At 5:42 PM -0800 1/17/99, Bkitterer@aol.com wrote:
>In a message dated 1/15/99 11:48:49 PM, spritenut@Exit109.com writes:
><< I used Lexan (brand) plexiglass,  >>
>Do you mean Lucit rather than Lexan?  Lucite, Lucite L and Plexiglass are
>trade marks for acrylic from various manufacturers.  Lexan is the trade mark
>for a polycarbonate.  While the two materials, arcylic and polycarbonate, have
>a number of similar properties they do behave differently to heat.  Acrylic
>has a reasonable temperature range where it is fluid, polycarbonate tends to
>jump from a solid state to a gas state.  This is not to say that you cannot
>bend Lexan (I am not sure) but it is a lot easier to bend arcylic.  Lexan is
>normally more expensive than acrylic also.
>Just do not want any one to buy Lexan and get a surprise when they take a
>torch to it.
>Bob and Annice
>1960 Sprite (Mk IV in disguise)

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