It can be used on the male end of the hose.
Fast Tape is the retail version of Megatape.
Yes, this can be used for gas applications. Pipe dope is usually better for gas fittings though
It can be used for gas fittings, as long as it is applied correctly
Yes, but the yellow PTFE is preferred.
Yes it is
FASTape is HomeDepot's brand name for Hercules-Megatape from Oatey. The specifications for Megatape can be found in the Submittal pdf file on Oatey website.
This tape is compatible with OVC and metal pipes.
Yellow tape is usually twice as thick