I've got a roll of coax that calls itself 'RF 8 MINI' (plus a description in
Italian) on the drum, and 'RG 8 SUPER XX' - but no manufacturer - on the
sheath.

Other RG8X coax I've used has always had a foam dielectric, but this stuff is
very stiff.

Anyone know who's it is and some idea of its spec?

MTIA

Angus Graham, G3TXL