Homebrew PCBs

If using plexiglass/acrylic, I'd think that better than welding would be 
using methylene dichloride as a solvent which disolves the acrylic, then 
evaporates, leaving one piece effectively.  It is how acrylic aquariums 
are made.

Much, much easier than heat welding, I'd think.

On 06/09/2010 12:09 AM, James wrote:
>
> --- 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.
>
>
>
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