Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Simao Cardoso <simaocardoso@...> wrote:
>
> Hi all,
> 
> The welding process was discussed before but i am unsure about plastic
> to buy. I was to buy PVC sheets and weld, is common and suitable but
> expensive. I even made myself speed welding nozzles. I always thought PE
> or PP was more expensive than PVC but actually they are less than half
> the price by square meter, being PE the cheaper. But i never had either
> those sheets side by side to test their hardness.
> 
> PE is most suitable to chemicals, lighter and stronger than PVC it only
> as a lower melting temperature but is way superior than the maximum
> needed temperature. The problem is where i am to buy it, they only stock
> PVC and PP weld. PE weld needs to be paid and wait for deliver which i
> find silly, and the minimum order is 5 times more than i need...
> 
> I am to buy 5mm HDPE sheets they are a good deal, but PP is almost the
> same price and easier to get the weld. Any advice?
> 
> BTW anyone in Europe with excess or need of PE weld?
> 
> Simão
>

I used acrylic for mine, it's commonly known as Plexiglass.