Teflon is a remarkable substance. It has the best resistance to chemical attack of any polymer, and it can be used at any temperature between -73 C and 260 C with no effect on its properties. It also has a very low coefficient of friction.
A stale dated warrant is an unredeemed warrant which was issued more than six months prior to the current date. A stale dated warrant is expired and the original instrument is no longer negotiable.
An outstanding warrant is a valid arrest warrant that was originally issued months or years ago. It is still valid because the person has not been arrested yet. An arrest warrant may be valid for many reasons.