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.
Confidence votes 196. Under CPA Rule A4, Section 21, a cheque is considered stale-dated after six months, unless it has been certified. Although it may be returned through the clearing for that reason, there is no obligation to do so, and the payorâs financial institution may still accept it as a valid payment item.ow long is a hsbc bank cheque valid for? An HSBC bank Cheque is valid for a period of about six months but some banks require a check be cashed within ninety days of the issue date or else the funds go forfeited.