GB 11678-1989 English PDF (GB11678-1989)

This Standard specifies the hygienic requirements for polytetrafluorethylene used as inner coating of food containers. This Standard applies to the polytetrafluorethylene coating which uses polytetrafluorethylene as main raw material and is added with certain additives. It is used to be coated on metal surfaces such as aluminum plates and iron plates. After sintered by high temperature, it is used as the anti-sticking coating to contact with non-acidic food containers. The usage temperature is limited below 250 Celsius-degree.