Reference: FIRFUH001050 Fact excellent type RG213 UHF Male (Pin Welding) insulated interior Bakelite 06-012. Bakelite is a synthetic resin, chemically stable and resistant to heat, was the first plastic product. This is the polioxibenzimetilenglicolanhidrido, that is, the addition of phenol with formaldehyde (formaldehyde), forming a polymer called poly phenol.