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.
A stale check is an old check usually older than a specified period of time such as 6 months.Some banks will not honor stale checks. A cheque is said be stale when it has not been presented by the payee within the stipulated time set aside by the financial institution regulatary body.The period are usually 6- 12months of issue. stale check is an old check usually older than a specified period of time such as 6 months.