On Wed, 30 Dec 1998 08:16:54 +0000, Lawrence Lile wrote:
Plexiglas(r) used to be a trademark of Rohm and Haas for their acrylic plastic.
 R&H has sold its acrylic
business to Elf-Atochem and I am no longer sure of what trademark they are using
 in the US.  Lexan(r) is
GE's trademark for Polycarbonate.  R&H used to sell their polycarbonate under th
e name Tuffak(r)

As for cementing it, the Weldon liquid material is substantially methylene chlor
ide and needs to be treated
with care.  In companies that care to enforce safety standards, or care about ge
tting sued later, this material
must be used with all the precautions mentioned below.  Stupid people and compan
ies don't.

David Porter


>> Martin writes:
>>
>>
>>  What type of plastic is Plexoglass?
>
>I think Plexiglass is Lexan... ?
>
>>In a previous job, we
>> used a thin clear liquid called Weldon to glue pieces of Plexoglass
>> together.  It worked by dissolving the surfaces and made a bond that
>> was usually stronger than the individual pieces.  I remember Weldon
>> as having about the same consistency and volatility as acetone, but
>> with a very unpleasant odor.
>
>
>Probably Acetone with a little Skunk Smell mixed in.  <G>    Yes, you
>were using solvent glues.  Many solvents will melt plastics, incl.
>acetone, methylene chloride, and a bunch of others.  They also all
>cause cancer and lung disease, and some of them will get you very
>high just before they kill you.  Use ventilation and carbon filter
>masks, and rubber gloves.
>
>-- Lawrence Lile
>
>=> Median Filter Source Code
>=> AutoCad blocks for electrical drafting
>=> Brownout tester plans
>=> Amateurish pictures of my family
>
>at:  http://home1.gte.net/llile/index.htm
>