[MRCA] very OT: plastics

Peter Gottlieb kb2vtl at gmail.com
Sun Sep 30 17:37:59 EDT 2018


Stay away from polystyrene as it is very brittle.  Polypropylene is soft, much 
like the polyethylene (LDPE-HDPE) used in milk jugs, and would be a good 
choice.  You might also consider PVC, such as the end cap for a drain line of 
about that diameter, take a look in your local Home Depot or Lowe's in the 
plumbing section near the big pipes.

On 9/30/2018 5:28 PM, W2HX wrote:
>
> Hi friends, this is very off topic. I am looking for something like a 
> Tupperware to mount on top of an antenna coupler to keep the HV connector out 
> of the elements. I need something about 4 ¾ in diameter and 4.5” to 5” high. I 
> have found something but I am not sure if the plastic is soft and easy to 
> drill. My choices are polystyrene or polypropylene. I know some plastic jars 
> are rather hard and can crack. I am looking for a soft plastic that will drill 
> easily. Are either of these good choice? Or should I be looking at something 
> different, maybe LDPE or HDPE (I know literally nothing about plastics)
>
> thanks
>
> 73 Eugene W2HX
>
>
>
>
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