This standard specifies the hygienic requirements for polytetrafluorethylene used as inner coating of food containers.
This standard is applicable to the polytetrafluorethylene coating which has polytetrafluorethylene as main raw material and a certain auxiliary agent as supplement. It is used as anti-coherent coating for containers contacting with nonacid food by coating on the metal surfaces such as aluminum product and sheet iron,etc. and sintering at a high temperature. The service temperature shall be below 250 ℃.
