It is indeed polystyrene by both B&W and Airdux. Back back in the days
when electronic distributors had outside salesman, I worked for
Hughes-Peters in Cincinnati. We sold both lines.
Dave Heil K8MN
On 1/14/2011 19 55, Dr. Gerald N. Johnson wrote:
> I don't recall significant differences between Airdux and B&W other than
> the color of the box. I still have some of both. And they were made by
> melting a hot wire into the plastic, most likely NOT nylon, delrin, or
> polycarbonate (Lexan) more likely polystyrene because of its better RF
> characteristics at the cost of temperature sensitivity. I'm sure I have
> catalogs for each.
> 73, Jerry, K0CQ
> On 1/14/2011 1:00 PM, Neal Laugman wrote:
>> Airdux is the stouter of the two - but still plastic - maybe a nylon or
>> delrin, but not polycarbonate like miniductor.
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