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.
Personal checks donât expire. But they do become what is known as âstale dated.â Simply put, a check becomes stale dated six months after it was written. After six months, banks have the option of refusing to deposit or cash any stale-dated checks. Why the sixth-month limit? Simple. A lot can change over that period. Companies go out of business.