[Moved]antenna substrate ( Teflon PTFE)

hi everyone ,
I am designing antenna and i want to choose teflon (PTFE) as a substrate epsilon 2.1 , the loss tangent 0.0002 but i don't the thickness and the suppliers for that one so can you help me with that ? also if this substrate has conductor or not?

thanks

thanks FvM
but i did not find PTFE epsilon 2.65 and loss tangent 0.0016 , is that comes with conductor or not ?

Pure PTFE isn't well suited as PCB substrate. Instead you would use one of the commercially available PTFE based substrates, e.g. from Rogers Corperation. See a product selector http://www.rogerscorp.com/documents/...ution-copy.pdf



If you are asking about the Rogers substrates, review the complete product datasheets and catalogs. Copper cladded substrate is a standard product, available in different thickness.